./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/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 ed5636201ca86e4c0316e1914010795451711e2b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:32:30,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:32:30,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:32:30,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:32:30,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:32:30,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:32:30,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:32:30,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:32:30,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:32:30,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:32:30,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:32:30,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:32:30,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:32:30,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:32:30,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:32:30,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:32:30,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:32:30,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:32:30,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:32:30,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:32:30,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:32:30,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:32:30,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:32:30,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:32:30,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:32:30,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:32:30,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:32:30,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:32:30,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:32:30,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:32:30,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:32:30,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:32:30,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:32:30,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:32:30,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:32:30,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:32:30,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:32:30,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:32:30,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:32:30,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:32:30,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:32:30,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:32:30,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:32:30,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:32:30,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:32:30,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:32:30,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:32:30,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:32:30,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:32:30,364 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:32:30,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:32:30,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:32:30,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:32:30,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:32:30,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:32:30,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:32:30,367 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:32:30,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:32:30,367 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:32:30,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:32:30,367 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:32:30,368 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:32:30,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:32:30,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:32:30,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:32:30,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:32:30,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:32:30,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:32:30,369 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:32:30,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:32:30,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:32:30,372 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_187f5fc2-9640-45be-97a1-417678103e08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed5636201ca86e4c0316e1914010795451711e2b [2020-11-28 04:32:30,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:32:30,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:32:30,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:32:30,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:32:30,683 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:32:30,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-11-28 04:32:30,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/data/9a36eabab/4299a29af09944348db3c20926df97f0/FLAG5978af7bd [2020-11-28 04:32:31,231 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:32:31,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-11-28 04:32:31,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/data/9a36eabab/4299a29af09944348db3c20926df97f0/FLAG5978af7bd [2020-11-28 04:32:31,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/data/9a36eabab/4299a29af09944348db3c20926df97f0 [2020-11-28 04:32:31,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:32:31,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:32:31,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:31,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:32:31,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:32:31,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:31" (1/1) ... [2020-11-28 04:32:31,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fff4f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:31, skipping insertion in model container [2020-11-28 04:32:31,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:31" (1/1) ... [2020-11-28 04:32:31,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:32:31,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:32:31,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:31,922 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:32:31,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:32,042 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:32:32,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32 WrapperNode [2020-11-28 04:32:32,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:32,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:32,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:32:32,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:32:32,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:32,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:32:32,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:32:32,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:32:32,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... [2020-11-28 04:32:32,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:32:32,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:32:32,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:32:32,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:32:32,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/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 04:32:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:32:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:32:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:32:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:32:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:32:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:32:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:32:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:32:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:32:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:32:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:32:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:32:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:32:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:32:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:32:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:32:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:32:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:32:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:32:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:32:33,679 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:32:33,679 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:32:33,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:33 BoogieIcfgContainer [2020-11-28 04:32:33,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:32:33,682 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:32:33,682 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:32:33,697 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:32:33,697 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:33" (1/1) ... [2020-11-28 04:32:33,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:32:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2020-11-28 04:32:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2020-11-28 04:32:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:32:33,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:34,092 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 04:32:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:34,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2020-11-28 04:32:34,110 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-11-28 04:32:34,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:32:34,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:34,241 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 04:32:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2020-11-28 04:32:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2020-11-28 04:32:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:32:34,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:34,359 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 04:32:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2020-11-28 04:32:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-11-28 04:32:34,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:32:34,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:34,496 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 04:32:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2020-11-28 04:32:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2020-11-28 04:32:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:32:34,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:34,870 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 04:32:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2020-11-28 04:32:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-11-28 04:32:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:32:34,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:35,028 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 04:32:35,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2020-11-28 04:32:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2020-11-28 04:32:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:32:35,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:35,628 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 04:32:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 96 states and 149 transitions. [2020-11-28 04:32:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 149 transitions. [2020-11-28 04:32:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:32:35,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:35,695 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 04:32:35,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:35,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 97 states and 150 transitions. [2020-11-28 04:32:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2020-11-28 04:32:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:32:35,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:35,743 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 04:32:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2020-11-28 04:32:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2020-11-28 04:32:35,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:32:35,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:36,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 185 transitions. [2020-11-28 04:32:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 185 transitions. [2020-11-28 04:32:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:32:36,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:36,540 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 04:32:36,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:36,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 115 states and 187 transitions. [2020-11-28 04:32:36,560 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 187 transitions. [2020-11-28 04:32:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:32:36,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:36,658 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 04:32:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 216 transitions. [2020-11-28 04:32:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 216 transitions. [2020-11-28 04:32:37,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:32:37,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:37,709 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 04:32:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 132 states and 223 transitions. [2020-11-28 04:32:37,897 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 223 transitions. [2020-11-28 04:32:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:32:37,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:37,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:37,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2020-11-28 04:32:37,984 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2020-11-28 04:32:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:32:37,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:38,094 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 04:32:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 139 states and 239 transitions. [2020-11-28 04:32:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 239 transitions. [2020-11-28 04:32:38,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:32:38,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:38,333 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 04:32:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 141 states and 244 transitions. [2020-11-28 04:32:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 244 transitions. [2020-11-28 04:32:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:32:38,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:38,662 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 04:32:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 139 states and 238 transitions. [2020-11-28 04:32:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 238 transitions. [2020-11-28 04:32:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:32:38,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:38,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 142 states and 245 transitions. [2020-11-28 04:32:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 245 transitions. [2020-11-28 04:32:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:32:38,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 263 transitions. [2020-11-28 04:32:39,599 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 263 transitions. [2020-11-28 04:32:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:32:39,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:39,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:39,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 152 states and 264 transitions. [2020-11-28 04:32:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 264 transitions. [2020-11-28 04:32:39,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:32:39,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:32:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 155 states and 270 transitions. [2020-11-28 04:32:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 270 transitions. [2020-11-28 04:32:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:32:40,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:41,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 156 states and 272 transitions. [2020-11-28 04:32:41,019 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 272 transitions. [2020-11-28 04:32:41,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:32:41,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:41,062 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 163 states and 287 transitions. [2020-11-28 04:32:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 287 transitions. [2020-11-28 04:32:41,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:32:41,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:32:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:42,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 171 states and 299 transitions. [2020-11-28 04:32:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 299 transitions. [2020-11-28 04:32:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:32:42,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:32:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 172 states and 300 transitions. [2020-11-28 04:32:42,271 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 300 transitions. [2020-11-28 04:32:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:32:42,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:32:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 189 states and 342 transitions. [2020-11-28 04:32:44,316 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 342 transitions. [2020-11-28 04:32:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:32:44,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 190 states and 344 transitions. [2020-11-28 04:32:44,398 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 344 transitions. [2020-11-28 04:32:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:32:44,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,440 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:32:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 202 states and 373 transitions. [2020-11-28 04:32:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 373 transitions. [2020-11-28 04:32:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:32:46,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:32:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 203 states and 374 transitions. [2020-11-28 04:32:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 374 transitions. [2020-11-28 04:32:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:32:46,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:32:47,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 211 states and 394 transitions. [2020-11-28 04:32:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 394 transitions. [2020-11-28 04:32:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:32:47,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:32:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 214 states and 397 transitions. [2020-11-28 04:32:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 397 transitions. [2020-11-28 04:32:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:32:47,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:32:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 215 states and 398 transitions. [2020-11-28 04:32:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 398 transitions. [2020-11-28 04:32:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:32:47,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:32:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 217 states and 400 transitions. [2020-11-28 04:32:47,545 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 400 transitions. [2020-11-28 04:32:47,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:32:47,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:32:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 218 states and 401 transitions. [2020-11-28 04:32:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 401 transitions. [2020-11-28 04:32:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:32:47,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:32:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 225 states and 410 transitions. [2020-11-28 04:32:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 410 transitions. [2020-11-28 04:32:48,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:32:48,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:32:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 227 states and 414 transitions. [2020-11-28 04:32:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 414 transitions. [2020-11-28 04:32:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:32:48,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:32:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 233 states and 428 transitions. [2020-11-28 04:32:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 428 transitions. [2020-11-28 04:32:49,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:32:49,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:32:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 234 states and 429 transitions. [2020-11-28 04:32:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 429 transitions. [2020-11-28 04:32:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:32:50,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:32:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 240 states and 438 transitions. [2020-11-28 04:32:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 438 transitions. [2020-11-28 04:32:50,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:32:50,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:32:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:50,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 241 states and 441 transitions. [2020-11-28 04:32:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 441 transitions. [2020-11-28 04:32:50,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:32:50,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:32:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 242 states and 442 transitions. [2020-11-28 04:32:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 442 transitions. [2020-11-28 04:32:50,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:32:50,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:32:51,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 243 states and 445 transitions. [2020-11-28 04:32:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 445 transitions. [2020-11-28 04:32:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:32:51,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:32:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 244 states and 446 transitions. [2020-11-28 04:32:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 446 transitions. [2020-11-28 04:32:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:32:51,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:32:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 247 states and 451 transitions. [2020-11-28 04:32:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 451 transitions. [2020-11-28 04:32:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:32:51,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:51,518 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:32:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 252 states and 461 transitions. [2020-11-28 04:32:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 461 transitions. [2020-11-28 04:32:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:32:51,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:32:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 255 states and 465 transitions. [2020-11-28 04:32:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 465 transitions. [2020-11-28 04:32:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:32:51,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:32:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 256 states and 466 transitions. [2020-11-28 04:32:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 466 transitions. [2020-11-28 04:32:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-28 04:32:51,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:51,940 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:32:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 266 states and 485 transitions. [2020-11-28 04:32:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 485 transitions. [2020-11-28 04:32:53,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:32:53,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:53,471 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:32:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 267 states and 486 transitions. [2020-11-28 04:32:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 486 transitions. [2020-11-28 04:32:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:32:53,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:32:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:53,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 270 states and 491 transitions. [2020-11-28 04:32:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 491 transitions. [2020-11-28 04:32:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-28 04:32:53,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-28 04:32:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:53,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 271 states and 492 transitions. [2020-11-28 04:32:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 492 transitions. [2020-11-28 04:32:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:32:53,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:32:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 109 states and 143 transitions. [2020-11-28 04:32:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2020-11-28 04:32:53,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:32:53,678 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2020-11-28 04:32:53,684 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:32:54,210 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:32:54,218 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:32:54,219 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,220 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,220 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,220 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,220 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,221 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,221 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:32:54,222 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,223 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,224 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:32:54,225 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,227 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:54,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:32:54 ImpRootNode [2020-11-28 04:32:54,227 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:32:54,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:32:54,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:32:54,229 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:32:54,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:33" (3/4) ... [2020-11-28 04:32:54,239 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:32:54,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:32:54,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:32:54,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:32:54,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:32:54,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:32:54,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:32:54,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:32:54,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:32:54,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-28 04:32:54,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-28 04:32:54,253 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:32:54,253 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:32:54,254 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:32:54,254 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:32:54,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:32:54,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-11-28 04:32:54,284 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:32:54,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_187f5fc2-9640-45be-97a1-417678103e08/bin/ukojak/witness.graphml [2020-11-28 04:32:54,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:32:54,346 INFO L168 Benchmark]: Toolchain (without parser) took 22772.54 ms. Allocated memory was 94.4 MB in the beginning and 383.8 MB in the end (delta: 289.4 MB). Free memory was 53.3 MB in the beginning and 324.8 MB in the end (delta: -271.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:54,347 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 94.4 MB. Free memory was 70.4 MB in the beginning and 70.3 MB in the end (delta: 61.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:32:54,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.18 ms. Allocated memory is still 94.4 MB. Free memory was 53.1 MB in the beginning and 55.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:54,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.90 ms. Allocated memory is still 94.4 MB. Free memory was 55.3 MB in the beginning and 52.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:54,348 INFO L168 Benchmark]: Boogie Preprocessor took 61.95 ms. Allocated memory is still 94.4 MB. Free memory was 52.9 MB in the beginning and 50.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:54,348 INFO L168 Benchmark]: RCFGBuilder took 1487.38 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 50.9 MB in the beginning and 46.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:54,349 INFO L168 Benchmark]: CodeCheck took 20545.26 ms. Allocated memory was 125.8 MB in the beginning and 383.8 MB in the end (delta: 257.9 MB). Free memory was 46.7 MB in the beginning and 331.1 MB in the end (delta: -284.4 MB). Peak memory consumption was 178.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:54,349 INFO L168 Benchmark]: Witness Printer took 115.84 ms. Allocated memory is still 383.8 MB. Free memory was 331.1 MB in the beginning and 324.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:54,351 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, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.9s, OverallIterations: 53, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1581721956 SDtfs, -624182324 SDslu, 1133979740 SDs, 0 SdLazy, -847731332 SolverSat, -1061709452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24024 GetRequests, 23747 SyntacticMatches, 13 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30076 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2342 NumberOfCodeBlocks, 2342 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 2290 ConstructedInterpolants, 0 QuantifiedInterpolants, 214403 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 43 PerfectInterpolantSequences, 823/861 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: 514]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: 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: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 94.4 MB. Free memory was 70.4 MB in the beginning and 70.3 MB in the end (delta: 61.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 471.18 ms. Allocated memory is still 94.4 MB. Free memory was 53.1 MB in the beginning and 55.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.90 ms. Allocated memory is still 94.4 MB. Free memory was 55.3 MB in the beginning and 52.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.95 ms. Allocated memory is still 94.4 MB. Free memory was 52.9 MB in the beginning and 50.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1487.38 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 50.9 MB in the beginning and 46.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB. * CodeCheck took 20545.26 ms. Allocated memory was 125.8 MB in the beginning and 383.8 MB in the end (delta: 257.9 MB). Free memory was 46.7 MB in the beginning and 331.1 MB in the end (delta: -284.4 MB). Peak memory consumption was 178.8 MB. Max. memory is 16.1 GB. * Witness Printer took 115.84 ms. Allocated memory is still 383.8 MB. Free memory was 331.1 MB in the beginning and 324.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...