./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.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_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/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 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:18:39,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:18:39,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:18:39,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:18:39,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:18:39,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:18:39,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:18:39,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:18:39,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:18:39,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:18:39,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:18:39,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:18:39,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:18:39,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:18:39,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:18:39,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:18:39,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:18:39,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:18:39,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:18:39,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:18:39,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:18:39,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:18:39,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:18:39,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:18:39,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:18:39,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:18:39,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:18:39,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:18:39,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:18:39,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:18:39,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:18:39,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:18:39,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:18:39,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:18:39,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:18:39,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:18:39,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:18:39,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:18:39,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:18:39,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:18:39,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:18:39,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:18:39,268 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:18:39,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:18:39,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:18:39,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:18:39,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:18:39,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:18:39,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:18:39,271 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:18:39,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:18:39,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:18:39,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:18:39,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:18:39,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:18:39,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:18:39,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:18:39,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:18:39,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:18:39,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:18:39,275 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:18:39,275 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:18:39,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:18:39,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:18:39,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:18:39,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:18:39,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:18:39,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:18:39,277 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:18:39,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:18:39,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:18:39,277 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_404931e0-aad6-468d-b7f2-40ad99d9fde1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce [2020-11-29 19:18:39,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:18:39,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:18:39,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:18:39,643 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:18:39,644 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:18:39,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2020-11-29 19:18:39,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/data/ba02c8da0/b618fbdf46104285aaff1893fd06bd21/FLAG23ff1a733 [2020-11-29 19:18:40,469 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:18:40,470 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2020-11-29 19:18:40,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/data/ba02c8da0/b618fbdf46104285aaff1893fd06bd21/FLAG23ff1a733 [2020-11-29 19:18:40,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/data/ba02c8da0/b618fbdf46104285aaff1893fd06bd21 [2020-11-29 19:18:40,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:18:40,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:18:40,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:18:40,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:18:40,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:18:40,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:18:40" (1/1) ... [2020-11-29 19:18:40,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c03cf3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:40, skipping insertion in model container [2020-11-29 19:18:40,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:18:40" (1/1) ... [2020-11-29 19:18:40,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:18:40,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:18:41,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:18:41,174 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:18:41,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:18:41,361 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:18:41,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41 WrapperNode [2020-11-29 19:18:41,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:18:41,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:18:41,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:18:41,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:18:41,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... [2020-11-29 19:18:41,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... [2020-11-29 19:18:41,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:18:41,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:18:41,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:18:41,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:18:41,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... [2020-11-29 19:18:41,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... [2020-11-29 19:18:41,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... [2020-11-29 19:18:41,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... [2020-11-29 19:18:41,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... [2020-11-29 19:18:41,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... [2020-11-29 19:18:41,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... [2020-11-29 19:18:41,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:18:41,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:18:41,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:18:41,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:18:41,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:18:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/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 19:18:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:18:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 19:18:41,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 19:18:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 19:18:41,623 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 19:18:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 19:18:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 19:18:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 19:18:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 19:18:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 19:18:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 19:18:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 19:18:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 19:18:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 19:18:41,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 19:18:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:18:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 19:18:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 19:18:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:18:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:18:43,421 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:18:43,421 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-29 19:18:43,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:18:43 BoogieIcfgContainer [2020-11-29 19:18:43,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:18:43,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:18:43,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:18:43,440 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:18:43,440 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:18:43" (1/1) ... [2020-11-29 19:18:43,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:18:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2020-11-29 19:18:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2020-11-29 19:18:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:18:43,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:43,764 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 19:18:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2020-11-29 19:18:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-11-29 19:18:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:18:43,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:43,918 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 19:18:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-11-29 19:18:43,966 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-11-29 19:18:43,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 19:18:43,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:44,153 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 19:18:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2020-11-29 19:18:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-11-29 19:18:44,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:18:44,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:44,639 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 19:18:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2020-11-29 19:18:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2020-11-29 19:18:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:18:44,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:44,750 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 19:18:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:44,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2020-11-29 19:18:44,774 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-11-29 19:18:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:18:44,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:44,936 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 19:18:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2020-11-29 19:18:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2020-11-29 19:18:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:18:45,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:45,548 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 19:18:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 97 states and 150 transitions. [2020-11-29 19:18:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2020-11-29 19:18:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:18:46,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:46,204 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 19:18:46,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2020-11-29 19:18:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2020-11-29 19:18:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:18:46,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:46,274 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 19:18:46,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 99 states and 152 transitions. [2020-11-29 19:18:46,296 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2020-11-29 19:18:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:18:46,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:46,502 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 19:18:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 181 transitions. [2020-11-29 19:18:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2020-11-29 19:18:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:18:47,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:47,534 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 19:18:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:47,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 186 transitions. [2020-11-29 19:18:47,842 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 186 transitions. [2020-11-29 19:18:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:18:47,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:47,888 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 19:18:47,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 180 transitions. [2020-11-29 19:18:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-11-29 19:18:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:18:47,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:47,943 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 19:18:48,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 189 transitions. [2020-11-29 19:18:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2020-11-29 19:18:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 19:18:48,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:48,176 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 19:18:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 190 transitions. [2020-11-29 19:18:48,199 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2020-11-29 19:18:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 19:18:48,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:48,752 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 19:18:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 125 states and 211 transitions. [2020-11-29 19:18:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2020-11-29 19:18:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 19:18:49,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:49,955 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 19:18:50,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 128 states and 217 transitions. [2020-11-29 19:18:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 217 transitions. [2020-11-29 19:18:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 19:18:50,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 19:18:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 245 transitions. [2020-11-29 19:18:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 245 transitions. [2020-11-29 19:18:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 19:18:51,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 19:18:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 150 states and 274 transitions. [2020-11-29 19:18:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions. [2020-11-29 19:18:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 19:18:54,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 19:18:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 156 states and 289 transitions. [2020-11-29 19:18:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 289 transitions. [2020-11-29 19:18:55,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 19:18:55,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 19:18:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 157 states and 290 transitions. [2020-11-29 19:18:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 290 transitions. [2020-11-29 19:18:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-29 19:18:55,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:18:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 160 states and 295 transitions. [2020-11-29 19:18:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2020-11-29 19:18:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-29 19:18:55,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-29 19:18:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 296 transitions. [2020-11-29 19:18:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 296 transitions. [2020-11-29 19:18:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-29 19:18:55,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:18:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:18:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:18:55,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:18:55,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 69 states and 85 transitions. [2020-11-29 19:18:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2020-11-29 19:18:55,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:18:55,985 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2020-11-29 19:18:55,992 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 19:18:56,362 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,367 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,368 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,368 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,368 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 19:18:56,373 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,373 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 19:18:56,375 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,376 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 19:18:56,376 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,376 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,377 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,377 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:18:56,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:18:56 ImpRootNode [2020-11-29 19:18:56,378 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:18:56,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:18:56,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:18:56,379 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:18:56,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:18:43" (3/4) ... [2020-11-29 19:18:56,394 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:18:56,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 19:18:56,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 19:18:56,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 19:18:56,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 19:18:56,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 19:18:56,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 19:18:56,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 19:18:56,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 19:18:56,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-11-29 19:18:56,421 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 19:18:56,422 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 19:18:56,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:18:56,423 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:18:56,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:18:56,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:18:56,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) [2020-11-29 19:18:56,457 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-29 19:18:56,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_404931e0-aad6-468d-b7f2-40ad99d9fde1/bin/ukojak/witness.graphml [2020-11-29 19:18:56,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:18:56,532 INFO L168 Benchmark]: Toolchain (without parser) took 15827.37 ms. Allocated memory was 90.2 MB in the beginning and 237.0 MB in the end (delta: 146.8 MB). Free memory was 59.0 MB in the beginning and 94.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:18:56,533 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:18:56,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.95 ms. Allocated memory is still 90.2 MB. Free memory was 58.7 MB in the beginning and 58.0 MB in the end (delta: 755.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:18:56,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.97 ms. Allocated memory is still 90.2 MB. Free memory was 58.0 MB in the beginning and 55.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:18:56,535 INFO L168 Benchmark]: Boogie Preprocessor took 71.19 ms. Allocated memory is still 90.2 MB. Free memory was 55.5 MB in the beginning and 53.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:18:56,535 INFO L168 Benchmark]: RCFGBuilder took 1880.34 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 53.8 MB in the beginning and 77.9 MB in the end (delta: -24.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:18:56,536 INFO L168 Benchmark]: CodeCheck took 12953.07 ms. Allocated memory was 111.1 MB in the beginning and 237.0 MB in the end (delta: 125.8 MB). Free memory was 77.9 MB in the beginning and 99.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 104.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:18:56,536 INFO L168 Benchmark]: Witness Printer took 151.78 ms. Allocated memory is still 237.0 MB. Free memory was 99.4 MB in the beginning and 94.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:18:56,539 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 9 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 190026084 SDtfs, 58024044 SDslu, 90357788 SDs, 0 SdLazy, 77171356 SolverSat, 21607668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9408 GetRequests, 9231 SyntacticMatches, 9 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10741 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 952 NumberOfCodeBlocks, 952 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 929 ConstructedInterpolants, 0 QuantifiedInterpolants, 84408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 267/277 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: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 657.95 ms. Allocated memory is still 90.2 MB. Free memory was 58.7 MB in the beginning and 58.0 MB in the end (delta: 755.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.97 ms. Allocated memory is still 90.2 MB. Free memory was 58.0 MB in the beginning and 55.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.19 ms. Allocated memory is still 90.2 MB. Free memory was 55.5 MB in the beginning and 53.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1880.34 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 53.8 MB in the beginning and 77.9 MB in the end (delta: -24.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. * CodeCheck took 12953.07 ms. Allocated memory was 111.1 MB in the beginning and 237.0 MB in the end (delta: 125.8 MB). Free memory was 77.9 MB in the beginning and 99.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 104.0 MB. Max. memory is 16.1 GB. * Witness Printer took 151.78 ms. Allocated memory is still 237.0 MB. Free memory was 99.4 MB in the beginning and 94.2 MB in the end (delta: 5.2 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...