./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/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 be998c7f0ff858151615865f07914b789231e9b9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:36:00,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:36:00,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:36:00,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:36:00,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:36:00,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:36:00,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:36:00,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:36:00,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:36:00,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:36:00,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:36:00,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:36:00,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:36:00,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:36:00,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:36:00,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:36:00,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:36:00,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:36:00,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:36:00,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:36:00,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:36:00,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:36:00,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:36:00,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:36:00,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:36:00,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:36:00,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:36:00,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:36:00,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:36:00,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:36:00,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:36:00,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:36:00,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:36:00,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:36:00,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:36:00,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:36:00,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:36:00,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:36:00,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:36:00,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:36:00,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:36:00,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:36:00,190 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:36:00,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:36:00,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:36:00,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:36:00,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:36:00,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:36:00,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:36:00,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:36:00,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:36:00,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:36:00,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:36:00,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:36:00,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:36:00,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:36:00,194 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:36:00,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:36:00,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:36:00,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:36:00,194 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:36:00,194 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:36:00,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:36:00,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:36:00,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:36:00,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:36:00,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:36:00,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:36:00,196 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:36:00,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:36:00,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:36:00,196 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_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be998c7f0ff858151615865f07914b789231e9b9 [2020-11-28 04:36:00,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:36:00,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:36:00,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:36:00,479 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:36:00,481 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:36:00,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-11-28 04:36:00,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/data/fff062d6f/1484427053954e15a677befa840f69b0/FLAGb08f20a2a [2020-11-28 04:36:01,194 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:36:01,195 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-11-28 04:36:01,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/data/fff062d6f/1484427053954e15a677befa840f69b0/FLAGb08f20a2a [2020-11-28 04:36:01,505 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/data/fff062d6f/1484427053954e15a677befa840f69b0 [2020-11-28 04:36:01,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:36:01,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:36:01,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:01,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:36:01,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:36:01,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:01" (1/1) ... [2020-11-28 04:36:01,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e01d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:01, skipping insertion in model container [2020-11-28 04:36:01,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:01" (1/1) ... [2020-11-28 04:36:01,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:36:01,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:36:01,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:36:01,936 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:36:02,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:36:02,072 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:36:02,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02 WrapperNode [2020-11-28 04:36:02,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:02,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:36:02,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:36:02,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:36:02,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... [2020-11-28 04:36:02,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... [2020-11-28 04:36:02,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:36:02,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:36:02,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:36:02,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:36:02,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... [2020-11-28 04:36:02,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... [2020-11-28 04:36:02,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... [2020-11-28 04:36:02,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... [2020-11-28 04:36:02,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... [2020-11-28 04:36:02,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... [2020-11-28 04:36:02,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... [2020-11-28 04:36:02,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:36:02,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:36:02,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:36:02,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:36:02,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:36:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:36:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:36:02,297 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:36:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:36:02,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:36:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:36:02,297 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:36:02,297 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:36:02,298 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:36:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:36:02,298 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:36:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:36:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:36:02,298 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:36:02,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:36:02,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:36:03,527 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:36:03,528 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:36:03,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:03 BoogieIcfgContainer [2020-11-28 04:36:03,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:36:03,531 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:36:03,531 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:36:03,541 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:36:03,542 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:03" (1/1) ... [2020-11-28 04:36:03,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:36:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:03,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2020-11-28 04:36:03,592 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2020-11-28 04:36:03,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:36:03,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:03,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2020-11-28 04:36:03,840 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2020-11-28 04:36:03,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:36:03,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2020-11-28 04:36:04,038 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2020-11-28 04:36:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:36:04,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:04,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2020-11-28 04:36:04,220 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-11-28 04:36:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:36:04,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:04,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2020-11-28 04:36:04,507 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2020-11-28 04:36:04,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:36:04,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2020-11-28 04:36:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2020-11-28 04:36:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:36:04,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:04,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2020-11-28 04:36:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-11-28 04:36:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:36:04,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2020-11-28 04:36:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2020-11-28 04:36:05,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:36:05,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:05,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2020-11-28 04:36:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2020-11-28 04:36:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:36:05,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 161 transitions. [2020-11-28 04:36:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 161 transitions. [2020-11-28 04:36:06,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:36:06,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 95 states and 168 transitions. [2020-11-28 04:36:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 168 transitions. [2020-11-28 04:36:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:36:06,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:06,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:06,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 102 states and 177 transitions. [2020-11-28 04:36:06,696 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 177 transitions. [2020-11-28 04:36:06,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:36:06,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 178 transitions. [2020-11-28 04:36:06,744 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2020-11-28 04:36:06,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:36:06,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:06,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:36:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:06,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 109 states and 191 transitions. [2020-11-28 04:36:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 191 transitions. [2020-11-28 04:36:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:36:06,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:36:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 110 states and 194 transitions. [2020-11-28 04:36:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 194 transitions. [2020-11-28 04:36:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:36:07,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:36:07,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:07,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 111 states and 197 transitions. [2020-11-28 04:36:07,200 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 197 transitions. [2020-11-28 04:36:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:36:07,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:36:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 112 states and 200 transitions. [2020-11-28 04:36:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 200 transitions. [2020-11-28 04:36:07,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:36:07,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:36:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 115 states and 206 transitions. [2020-11-28 04:36:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 206 transitions. [2020-11-28 04:36:07,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:36:07,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:36:07,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:07,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 116 states and 209 transitions. [2020-11-28 04:36:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 209 transitions. [2020-11-28 04:36:07,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:36:07,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:36:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:07,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 213 transitions. [2020-11-28 04:36:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 213 transitions. [2020-11-28 04:36:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:36:07,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:36:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 132 states and 250 transitions. [2020-11-28 04:36:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 250 transitions. [2020-11-28 04:36:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:36:08,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:36:09,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 134 states and 255 transitions. [2020-11-28 04:36:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 255 transitions. [2020-11-28 04:36:09,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:36:09,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 143 states and 279 transitions. [2020-11-28 04:36:11,566 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 279 transitions. [2020-11-28 04:36:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:36:11,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:36:11,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 144 states and 280 transitions. [2020-11-28 04:36:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 280 transitions. [2020-11-28 04:36:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:36:11,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:36:11,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 145 states and 281 transitions. [2020-11-28 04:36:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 281 transitions. [2020-11-28 04:36:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:36:11,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:36:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 146 states and 279 transitions. [2020-11-28 04:36:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 279 transitions. [2020-11-28 04:36:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:36:12,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:36:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 151 states and 284 transitions. [2020-11-28 04:36:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 284 transitions. [2020-11-28 04:36:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:36:12,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:36:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 153 states and 285 transitions. [2020-11-28 04:36:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 285 transitions. [2020-11-28 04:36:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:36:13,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:36:13,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 159 states and 295 transitions. [2020-11-28 04:36:13,206 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 295 transitions. [2020-11-28 04:36:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:36:13,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-28 04:36:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 160 states and 295 transitions. [2020-11-28 04:36:13,251 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2020-11-28 04:36:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:36:13,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,283 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:36:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 161 states and 296 transitions. [2020-11-28 04:36:13,312 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 296 transitions. [2020-11-28 04:36:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:36:13,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:36:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 162 states and 297 transitions. [2020-11-28 04:36:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 297 transitions. [2020-11-28 04:36:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:36:13,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:36:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 172 states and 318 transitions. [2020-11-28 04:36:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 318 transitions. [2020-11-28 04:36:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:36:14,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:36:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 173 states and 319 transitions. [2020-11-28 04:36:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 319 transitions. [2020-11-28 04:36:14,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:36:14,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:36:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 70 states and 101 transitions. [2020-11-28 04:36:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2020-11-28 04:36:14,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:36:14,617 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2020-11-28 04:36:14,622 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:36:14,954 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:36:14,960 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,960 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,960 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,960 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:36:14,961 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,961 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,961 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,961 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,962 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,962 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:36:14,971 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,971 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:36:14,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:36:14 ImpRootNode [2020-11-28 04:36:14,972 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:36:14,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:36:14,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:36:14,973 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:36:14,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:03" (3/4) ... [2020-11-28 04:36:14,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:36:14,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:36:14,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:36:14,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:36:14,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:36:14,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:36:14,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:36:14,990 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-28 04:36:14,991 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-28 04:36:14,991 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:36:14,992 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:36:14,992 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:36:14,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:36:14,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:36:15,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (!(0 == systemActive) && !(1 == systemActive))) || (1 == systemActive && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0) [2020-11-28 04:36:15,018 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || !(0 == systemActive) [2020-11-28 04:36:15,089 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_49b32bb9-3a1a-4f1a-ab00-f5c7bc41621d/bin/ukojak/witness.graphml [2020-11-28 04:36:15,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:36:15,091 INFO L168 Benchmark]: Toolchain (without parser) took 13582.05 ms. Allocated memory was 102.8 MB in the beginning and 264.2 MB in the end (delta: 161.5 MB). Free memory was 69.9 MB in the beginning and 189.7 MB in the end (delta: -119.8 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:15,092 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 71.3 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:36:15,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.03 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 67.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:15,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.05 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 65.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:15,093 INFO L168 Benchmark]: Boogie Preprocessor took 59.15 ms. Allocated memory is still 102.8 MB. Free memory was 65.6 MB in the beginning and 63.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:15,093 INFO L168 Benchmark]: RCFGBuilder took 1315.80 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 63.6 MB in the beginning and 69.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:15,094 INFO L168 Benchmark]: CodeCheck took 11441.14 ms. Allocated memory was 123.7 MB in the beginning and 264.2 MB in the end (delta: 140.5 MB). Free memory was 69.3 MB in the beginning and 195.0 MB in the end (delta: -125.7 MB). Peak memory consumption was 102.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:15,094 INFO L168 Benchmark]: Witness Printer took 117.31 ms. Allocated memory is still 264.2 MB. Free memory was 195.0 MB in the beginning and 189.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:15,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.0s, OverallIterations: 35, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -374098308 SDtfs, 2078920620 SDslu, 1315870372 SDs, 0 SdLazy, -1768020436 SolverSat, -2096138860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11229 GetRequests, 11023 SyntacticMatches, 30 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13825 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1095 NumberOfCodeBlocks, 1095 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1061 ConstructedInterpolants, 0 QuantifiedInterpolants, 82151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 27 PerfectInterpolantSequences, 313/340 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: 532]: Loop Invariant Derived loop invariant: ((waterLevel == 1 || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || !(0 == systemActive) - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (!(0 == systemActive) && !(1 == systemActive))) || (1 == systemActive && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 71.3 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 549.03 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 67.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.05 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 65.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.15 ms. Allocated memory is still 102.8 MB. Free memory was 65.6 MB in the beginning and 63.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1315.80 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 63.6 MB in the beginning and 69.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. * CodeCheck took 11441.14 ms. Allocated memory was 123.7 MB in the beginning and 264.2 MB in the end (delta: 140.5 MB). Free memory was 69.3 MB in the beginning and 195.0 MB in the end (delta: -125.7 MB). Peak memory consumption was 102.2 MB. Max. memory is 16.1 GB. * Witness Printer took 117.31 ms. Allocated memory is still 264.2 MB. Free memory was 195.0 MB in the beginning and 189.7 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...