./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/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-a4ecdab [2020-11-29 23:57:10,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:57:10,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:57:10,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:57:10,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:57:10,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:57:10,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:57:10,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:57:10,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:57:10,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:57:10,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:57:10,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:57:10,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:57:10,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:57:10,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:57:10,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:57:10,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:57:10,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:57:10,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:57:10,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:57:10,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:57:10,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:57:10,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:57:10,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:57:10,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:57:10,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:57:10,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:57:10,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:57:10,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:57:10,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:57:10,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:57:10,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:57:10,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:57:10,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:57:10,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:57:10,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:57:10,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:57:10,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:57:10,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:57:10,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:57:10,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:57:10,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 23:57:10,273 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:57:10,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:57:10,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:57:10,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:57:10,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:57:10,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:57:10,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:57:10,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:57:10,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:57:10,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:57:10,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:57:10,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:57:10,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:57:10,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:57:10,277 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:57:10,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:57:10,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:57:10,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:57:10,278 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:57:10,278 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:57:10,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:57:10,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:57:10,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:57:10,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:57:10,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:57:10,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:57:10,287 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:57:10,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:57:10,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:57:10,289 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_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac889cd5e65bb2f47f07806422e2c45f6310f706 [2020-11-29 23:57:10,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:57:10,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:57:10,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:57:10,621 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:57:10,623 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:57:10,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-11-29 23:57:10,700 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/data/c98dcc669/e91eab41c76845bca46bb85a239434d0/FLAGd60527653 [2020-11-29 23:57:11,327 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:57:11,328 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-11-29 23:57:11,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/data/c98dcc669/e91eab41c76845bca46bb85a239434d0/FLAGd60527653 [2020-11-29 23:57:11,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/data/c98dcc669/e91eab41c76845bca46bb85a239434d0 [2020-11-29 23:57:11,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:57:11,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:57:11,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:57:11,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:57:11,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:57:11,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:57:11" (1/1) ... [2020-11-29 23:57:11,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d873f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:11, skipping insertion in model container [2020-11-29 23:57:11,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:57:11" (1/1) ... [2020-11-29 23:57:11,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:57:11,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:57:11,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:57:11,990 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:57:12,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:57:12,108 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:57:12,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12 WrapperNode [2020-11-29 23:57:12,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:57:12,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:57:12,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:57:12,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:57:12,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... [2020-11-29 23:57:12,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... [2020-11-29 23:57:12,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:57:12,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:57:12,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:57:12,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:57:12,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... [2020-11-29 23:57:12,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... [2020-11-29 23:57:12,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... [2020-11-29 23:57:12,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... [2020-11-29 23:57:12,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... [2020-11-29 23:57:12,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... [2020-11-29 23:57:12,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... [2020-11-29 23:57:12,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:57:12,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:57:12,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:57:12,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:57:12,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:57:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:57:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 23:57:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 23:57:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 23:57:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 23:57:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 23:57:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 23:57:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 23:57:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 23:57:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 23:57:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 23:57:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-29 23:57:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-29 23:57:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:57:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 23:57:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 23:57:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:57:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:57:13,596 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:57:13,596 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-29 23:57:13,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:13 BoogieIcfgContainer [2020-11-29 23:57:13,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:57:13,599 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:57:13,599 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:57:13,610 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:57:13,610 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:13" (1/1) ... [2020-11-29 23:57:13,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2020-11-29 23:57:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2020-11-29 23:57:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 23:57:13,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2020-11-29 23:57:13,986 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2020-11-29 23:57:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:57:13,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2020-11-29 23:57:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-11-29 23:57:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 23:57:14,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2020-11-29 23:57:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2020-11-29 23:57:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 23:57:14,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 78 states and 118 transitions. [2020-11-29 23:57:15,419 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2020-11-29 23:57:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 23:57:15,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 93 states and 153 transitions. [2020-11-29 23:57:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 153 transitions. [2020-11-29 23:57:16,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 23:57:16,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:17,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:17,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 155 transitions. [2020-11-29 23:57:17,173 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 155 transitions. [2020-11-29 23:57:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 23:57:17,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 171 transitions. [2020-11-29 23:57:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 171 transitions. [2020-11-29 23:57:17,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 23:57:17,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:17,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 173 transitions. [2020-11-29 23:57:17,514 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2020-11-29 23:57:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 23:57:17,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:17,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 180 transitions. [2020-11-29 23:57:17,630 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2020-11-29 23:57:17,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 23:57:17,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:57:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 181 transitions. [2020-11-29 23:57:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2020-11-29 23:57:17,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:57:17,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:57:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 191 transitions. [2020-11-29 23:57:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2020-11-29 23:57:17,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 23:57:17,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:57:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 117 states and 193 transitions. [2020-11-29 23:57:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 193 transitions. [2020-11-29 23:57:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 23:57:18,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 23:57:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 201 transitions. [2020-11-29 23:57:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2020-11-29 23:57:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 23:57:19,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:57:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 216 transitions. [2020-11-29 23:57:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 216 transitions. [2020-11-29 23:57:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 23:57:20,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:20,169 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:57:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 133 states and 226 transitions. [2020-11-29 23:57:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2020-11-29 23:57:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 23:57:20,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:57:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 227 transitions. [2020-11-29 23:57:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 227 transitions. [2020-11-29 23:57:20,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 23:57:20,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:57:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 137 states and 234 transitions. [2020-11-29 23:57:20,703 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2020-11-29 23:57:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 23:57:20,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 23:57:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 150 states and 259 transitions. [2020-11-29 23:57:22,794 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 259 transitions. [2020-11-29 23:57:22,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 23:57:22,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 23:57:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 156 states and 275 transitions. [2020-11-29 23:57:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 275 transitions. [2020-11-29 23:57:24,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 23:57:24,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 23:57:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 287 transitions. [2020-11-29 23:57:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 287 transitions. [2020-11-29 23:57:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 23:57:25,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 23:57:25,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:25,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 166 states and 292 transitions. [2020-11-29 23:57:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 292 transitions. [2020-11-29 23:57:25,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 23:57:25,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:25,716 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 23:57:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 167 states and 293 transitions. [2020-11-29 23:57:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2020-11-29 23:57:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 23:57:25,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 23:57:25,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:25,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 168 states and 294 transitions. [2020-11-29 23:57:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2020-11-29 23:57:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 23:57:25,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 23:57:25,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 55 states and 66 transitions. [2020-11-29 23:57:25,941 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-11-29 23:57:25,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:57:25,942 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-11-29 23:57:25,948 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 23:57:26,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:26,290 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 23:57:26,293 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:26,293 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:26,294 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:26,294 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:26,294 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 23:57:26,296 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:26,301 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:26,301 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:26,301 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 23:57:26,302 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:26,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:57:26 ImpRootNode [2020-11-29 23:57:26,303 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:57:26,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:57:26,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:57:26,304 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:57:26,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:13" (3/4) ... [2020-11-29 23:57:26,308 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:57:26,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 23:57:26,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 23:57:26,315 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 23:57:26,315 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 23:57:26,316 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 23:57:26,316 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-29 23:57:26,316 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-29 23:57:26,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-29 23:57:26,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 23:57:26,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 23:57:26,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 23:57:26,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 23:57:26,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:57:26,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:57:26,353 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-29 23:57:26,409 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cf21f370-04b4-4e9f-a9e2-dc1f66b3a861/bin/ukojak/witness.graphml [2020-11-29 23:57:26,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:57:26,411 INFO L168 Benchmark]: Toolchain (without parser) took 14794.40 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 86.9 MB in the beginning and 81.1 MB in the end (delta: 5.8 MB). Peak memory consumption was 129.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:26,412 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:26,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.72 ms. Allocated memory is still 111.1 MB. Free memory was 86.6 MB in the beginning and 72.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:26,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.47 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 69.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:26,414 INFO L168 Benchmark]: Boogie Preprocessor took 35.99 ms. Allocated memory is still 111.1 MB. Free memory was 69.6 MB in the beginning and 67.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:26,414 INFO L168 Benchmark]: RCFGBuilder took 1363.33 ms. Allocated memory is still 111.1 MB. Free memory was 67.7 MB in the beginning and 72.7 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:26,415 INFO L168 Benchmark]: CodeCheck took 12703.70 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 72.7 MB in the beginning and 85.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 111.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:26,415 INFO L168 Benchmark]: Witness Printer took 105.84 ms. Allocated memory is still 234.9 MB. Free memory was 85.3 MB in the beginning and 81.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:26,418 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: 12.3s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 395754516 SDtfs, 144085476 SDslu, 291540708 SDs, 0 SdLazy, 312569108 SolverSat, 104747500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9268 GetRequests, 9081 SyntacticMatches, 3 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13637 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 948 NumberOfCodeBlocks, 948 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 924 ConstructedInterpolants, 0 QuantifiedInterpolants, 77953 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: 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 0.29 ms. Allocated memory is still 75.5 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 489.72 ms. Allocated memory is still 111.1 MB. Free memory was 86.6 MB in the beginning and 72.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.47 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 69.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.99 ms. Allocated memory is still 111.1 MB. Free memory was 69.6 MB in the beginning and 67.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1363.33 ms. Allocated memory is still 111.1 MB. Free memory was 67.7 MB in the beginning and 72.7 MB in the end (delta: -5.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * CodeCheck took 12703.70 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 72.7 MB in the beginning and 85.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 111.4 MB. Max. memory is 16.1 GB. * Witness Printer took 105.84 ms. Allocated memory is still 234.9 MB. Free memory was 85.3 MB in the beginning and 81.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...