./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.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_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/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 8105acde44a746346743774bfdcca7c2d11e450d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:23:01,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:23:01,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:23:01,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:23:01,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:23:01,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:23:01,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:23:01,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:23:01,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:23:01,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:23:01,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:23:01,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:23:01,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:23:01,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:23:01,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:23:01,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:23:01,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:23:01,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:23:01,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:23:01,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:23:01,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:23:01,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:23:01,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:23:01,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:23:01,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:23:01,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:23:01,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:23:01,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:23:01,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:23:01,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:23:01,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:23:01,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:23:01,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:23:01,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:23:01,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:23:01,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:23:01,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:23:01,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:23:01,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:23:01,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:23:01,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:23:01,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:23:01,334 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:23:01,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:23:01,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:23:01,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:23:01,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:23:01,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:23:01,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:23:01,337 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:23:01,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:23:01,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:23:01,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:23:01,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:23:01,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:23:01,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:23:01,339 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:23:01,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:23:01,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:23:01,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:23:01,341 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:23:01,341 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:23:01,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:23:01,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:23:01,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:23:01,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:23:01,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:23:01,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:23:01,343 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:23:01,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:23:01,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:23:01,344 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_44841dc8-2edd-4b68-a32e-55f2646ca1ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8105acde44a746346743774bfdcca7c2d11e450d [2020-11-29 19:23:01,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:23:01,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:23:01,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:23:01,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:23:01,673 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:23:01,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-11-29 19:23:01,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/data/db84d0abb/d4ef68209c774511a8303151a691ace1/FLAG0d6656f19 [2020-11-29 19:23:02,591 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:23:02,595 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-11-29 19:23:02,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/data/db84d0abb/d4ef68209c774511a8303151a691ace1/FLAG0d6656f19 [2020-11-29 19:23:02,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/data/db84d0abb/d4ef68209c774511a8303151a691ace1 [2020-11-29 19:23:02,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:23:02,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:23:02,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:23:02,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:23:02,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:23:02,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:23:02" (1/1) ... [2020-11-29 19:23:02,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bcd9849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:02, skipping insertion in model container [2020-11-29 19:23:02,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:23:02" (1/1) ... [2020-11-29 19:23:02,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:23:02,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:23:03,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:23:03,374 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:23:03,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:23:03,545 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:23:03,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03 WrapperNode [2020-11-29 19:23:03,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:23:03,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:23:03,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:23:03,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:23:03,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... [2020-11-29 19:23:03,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... [2020-11-29 19:23:03,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:23:03,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:23:03,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:23:03,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:23:03,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... [2020-11-29 19:23:03,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... [2020-11-29 19:23:03,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... [2020-11-29 19:23:03,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... [2020-11-29 19:23:03,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... [2020-11-29 19:23:03,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... [2020-11-29 19:23:03,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... [2020-11-29 19:23:03,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:23:03,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:23:03,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:23:03,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:23:03,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:23:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:23:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 19:23:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 19:23:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 19:23:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 19:23:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 19:23:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 19:23:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 19:23:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 19:23:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 19:23:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 19:23:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 19:23:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 19:23:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 19:23:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 19:23:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:23:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 19:23:03,758 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 19:23:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:23:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:23:05,267 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:23:05,267 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-29 19:23:05,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:23:05 BoogieIcfgContainer [2020-11-29 19:23:05,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:23:05,272 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:23:05,272 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:23:05,285 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:23:05,285 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:05,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:23:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2020-11-29 19:23:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2020-11-29 19:23:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:23:05,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:05,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:05,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2020-11-29 19:23:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-11-29 19:23:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:23:05,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2020-11-29 19:23:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2020-11-29 19:23:06,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 19:23:06,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2020-11-29 19:23:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2020-11-29 19:23:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:23:06,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:06,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2020-11-29 19:23:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2020-11-29 19:23:06,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:23:06,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2020-11-29 19:23:06,723 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2020-11-29 19:23:06,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:23:06,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:06,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2020-11-29 19:23:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-11-29 19:23:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:23:06,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 97 states and 152 transitions. [2020-11-29 19:23:07,823 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2020-11-29 19:23:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:23:07,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 116 states and 193 transitions. [2020-11-29 19:23:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2020-11-29 19:23:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:23:09,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:10,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 120 states and 199 transitions. [2020-11-29 19:23:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 199 transitions. [2020-11-29 19:23:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:23:10,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 125 states and 208 transitions. [2020-11-29 19:23:10,262 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 208 transitions. [2020-11-29 19:23:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:23:10,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:23:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:10,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 129 states and 217 transitions. [2020-11-29 19:23:10,376 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 217 transitions. [2020-11-29 19:23:10,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:23:10,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:23:10,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 132 states and 225 transitions. [2020-11-29 19:23:10,824 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 225 transitions. [2020-11-29 19:23:10,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:23:10,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 233 transitions. [2020-11-29 19:23:11,211 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2020-11-29 19:23:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:23:11,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:23:11,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:11,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 136 states and 236 transitions. [2020-11-29 19:23:11,337 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 236 transitions. [2020-11-29 19:23:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:23:11,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:11,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:11,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 238 transitions. [2020-11-29 19:23:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2020-11-29 19:23:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:23:11,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:11,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 144 states and 252 transitions. [2020-11-29 19:23:11,789 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2020-11-29 19:23:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:23:11,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:12,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 257 transitions. [2020-11-29 19:23:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 257 transitions. [2020-11-29 19:23:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 19:23:12,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:12,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 144 states and 251 transitions. [2020-11-29 19:23:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2020-11-29 19:23:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 19:23:12,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:23:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 153 states and 270 transitions. [2020-11-29 19:23:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 270 transitions. [2020-11-29 19:23:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 19:23:13,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:23:15,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 156 states and 277 transitions. [2020-11-29 19:23:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 277 transitions. [2020-11-29 19:23:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 19:23:15,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:23:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 157 states and 280 transitions. [2020-11-29 19:23:15,656 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 280 transitions. [2020-11-29 19:23:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 19:23:15,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:23:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 164 states and 292 transitions. [2020-11-29 19:23:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 292 transitions. [2020-11-29 19:23:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:23:16,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:23:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 171 states and 308 transitions. [2020-11-29 19:23:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 308 transitions. [2020-11-29 19:23:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:23:17,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:23:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 172 states and 308 transitions. [2020-11-29 19:23:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 308 transitions. [2020-11-29 19:23:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:23:18,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:23:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:18,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 173 states and 308 transitions. [2020-11-29 19:23:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 308 transitions. [2020-11-29 19:23:18,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 19:23:18,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:23:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 174 states and 309 transitions. [2020-11-29 19:23:18,646 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 309 transitions. [2020-11-29 19:23:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 19:23:18,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:18,693 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:23:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 190 states and 352 transitions. [2020-11-29 19:23:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 352 transitions. [2020-11-29 19:23:21,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 19:23:21,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:23:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 191 states and 353 transitions. [2020-11-29 19:23:21,703 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 353 transitions. [2020-11-29 19:23:21,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 19:23:21,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:23:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:21,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 192 states and 354 transitions. [2020-11-29 19:23:21,779 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 354 transitions. [2020-11-29 19:23:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 19:23:21,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:23:24,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 204 states and 384 transitions. [2020-11-29 19:23:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 384 transitions. [2020-11-29 19:23:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 19:23:24,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:23:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 205 states and 384 transitions. [2020-11-29 19:23:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 384 transitions. [2020-11-29 19:23:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 19:23:24,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:23:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 206 states and 385 transitions. [2020-11-29 19:23:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 385 transitions. [2020-11-29 19:23:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 19:23:24,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:23:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 207 states and 386 transitions. [2020-11-29 19:23:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 386 transitions. [2020-11-29 19:23:24,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 19:23:24,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:23:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:24,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 210 states and 392 transitions. [2020-11-29 19:23:24,852 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 392 transitions. [2020-11-29 19:23:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 19:23:24,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:24,890 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:23:25,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 217 states and 404 transitions. [2020-11-29 19:23:25,703 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 404 transitions. [2020-11-29 19:23:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 19:23:25,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 19:23:26,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 222 states and 409 transitions. [2020-11-29 19:23:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 409 transitions. [2020-11-29 19:23:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 19:23:26,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:26,519 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:23:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 224 states and 413 transitions. [2020-11-29 19:23:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 413 transitions. [2020-11-29 19:23:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 19:23:27,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:23:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 225 states and 415 transitions. [2020-11-29 19:23:27,535 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 415 transitions. [2020-11-29 19:23:27,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 19:23:27,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:23:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 231 states and 429 transitions. [2020-11-29 19:23:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 429 transitions. [2020-11-29 19:23:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 19:23:29,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:23:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 232 states and 432 transitions. [2020-11-29 19:23:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 432 transitions. [2020-11-29 19:23:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 19:23:29,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:23:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 233 states and 433 transitions. [2020-11-29 19:23:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 433 transitions. [2020-11-29 19:23:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 19:23:29,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:23:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 238 states and 442 transitions. [2020-11-29 19:23:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 442 transitions. [2020-11-29 19:23:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 19:23:30,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:23:30,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 243 states and 451 transitions. [2020-11-29 19:23:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 451 transitions. [2020-11-29 19:23:30,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 19:23:30,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 19:23:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 244 states and 451 transitions. [2020-11-29 19:23:30,624 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 451 transitions. [2020-11-29 19:23:30,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 19:23:30,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:23:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:30,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 245 states and 452 transitions. [2020-11-29 19:23:30,693 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 452 transitions. [2020-11-29 19:23:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 19:23:30,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:23:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 246 states and 455 transitions. [2020-11-29 19:23:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 455 transitions. [2020-11-29 19:23:31,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 19:23:31,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:23:31,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:31,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 247 states and 456 transitions. [2020-11-29 19:23:31,373 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 456 transitions. [2020-11-29 19:23:31,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 19:23:31,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:23:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 249 states and 462 transitions. [2020-11-29 19:23:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 462 transitions. [2020-11-29 19:23:31,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 19:23:31,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:31,737 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 19:23:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 252 states and 466 transitions. [2020-11-29 19:23:31,765 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 466 transitions. [2020-11-29 19:23:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 19:23:31,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:31,810 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 19:23:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 253 states and 467 transitions. [2020-11-29 19:23:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 467 transitions. [2020-11-29 19:23:31,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 19:23:31,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:23:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 262 states and 484 transitions. [2020-11-29 19:23:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 484 transitions. [2020-11-29 19:23:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 19:23:33,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 19:23:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 263 states and 485 transitions. [2020-11-29 19:23:33,832 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 485 transitions. [2020-11-29 19:23:33,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-29 19:23:33,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:23:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:33,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 264 states and 486 transitions. [2020-11-29 19:23:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 486 transitions. [2020-11-29 19:23:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-29 19:23:33,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 19:23:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:34,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 267 states and 489 transitions. [2020-11-29 19:23:34,026 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 489 transitions. [2020-11-29 19:23:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-29 19:23:34,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-29 19:23:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 109 states and 141 transitions. [2020-11-29 19:23:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2020-11-29 19:23:34,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:23:34,171 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2020-11-29 19:23:34,188 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 19:23:34,548 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2020-11-29 19:23:34,838 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-29 19:23:34,846 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,846 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,846 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,846 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,847 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,847 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 19:23:34,847 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,847 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,847 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 19:23:34,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,849 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 19:23:34,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:34,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:23:34 ImpRootNode [2020-11-29 19:23:34,850 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:23:34,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:23:34,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:23:34,851 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:23:34,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:23:05" (3/4) ... [2020-11-29 19:23:34,882 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:23:34,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 19:23:34,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 19:23:34,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 19:23:34,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 19:23:34,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 19:23:34,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 19:23:34,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 19:23:34,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-29 19:23:34,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-11-29 19:23:34,905 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 19:23:34,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 19:23:34,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:23:34,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:23:34,909 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:23:34,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:23:34,948 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)) [2020-11-29 19:23:34,951 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-29 19:23:35,041 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_44841dc8-2edd-4b68-a32e-55f2646ca1ae/bin/ukojak/witness.graphml [2020-11-29 19:23:35,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:23:35,043 INFO L168 Benchmark]: Toolchain (without parser) took 32190.19 ms. Allocated memory was 96.5 MB in the beginning and 360.7 MB in the end (delta: 264.2 MB). Free memory was 63.4 MB in the beginning and 229.1 MB in the end (delta: -165.7 MB). Peak memory consumption was 96.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:35,043 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 71.3 MB. Free memory was 31.8 MB in the beginning and 31.7 MB in the end (delta: 67.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:23:35,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.03 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 63.3 MB in the end (delta: -73.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:35,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.02 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 60.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:35,045 INFO L168 Benchmark]: Boogie Preprocessor took 54.03 ms. Allocated memory is still 96.5 MB. Free memory was 60.7 MB in the beginning and 58.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:35,046 INFO L168 Benchmark]: RCFGBuilder took 1596.55 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 58.6 MB in the beginning and 115.8 MB in the end (delta: -57.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:35,046 INFO L168 Benchmark]: CodeCheck took 29578.56 ms. Allocated memory was 142.6 MB in the beginning and 360.7 MB in the end (delta: 218.1 MB). Free memory was 115.8 MB in the beginning and 235.3 MB in the end (delta: -119.6 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:35,047 INFO L168 Benchmark]: Witness Printer took 190.90 ms. Allocated memory is still 360.7 MB. Free memory was 235.3 MB in the beginning and 229.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:35,051 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, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.8s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -83028768 SDtfs, -345536180 SDslu, -407298484 SDs, 0 SdLazy, -572666404 SolverSat, -1720210832 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25641 GetRequests, 25352 SyntacticMatches, 13 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32819 ImplicationChecksByTransitivity, 21.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2494 NumberOfCodeBlocks, 2494 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2439 ConstructedInterpolants, 0 QuantifiedInterpolants, 221793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 47 PerfectInterpolantSequences, 872/909 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: 633]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (!(0 == tmp) && !(pumpRunning == 0)) || methaneLevelCritical == tmp - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 71.3 MB. Free memory was 31.8 MB in the beginning and 31.7 MB in the end (delta: 67.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 689.03 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 63.3 MB in the end (delta: -73.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.02 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 60.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.03 ms. Allocated memory is still 96.5 MB. Free memory was 60.7 MB in the beginning and 58.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1596.55 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 58.6 MB in the beginning and 115.8 MB in the end (delta: -57.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * CodeCheck took 29578.56 ms. Allocated memory was 142.6 MB in the beginning and 360.7 MB in the end (delta: 218.1 MB). Free memory was 115.8 MB in the beginning and 235.3 MB in the end (delta: -119.6 MB). Peak memory consumption was 98.1 MB. Max. memory is 16.1 GB. * Witness Printer took 190.90 ms. Allocated memory is still 360.7 MB. Free memory was 235.3 MB in the beginning and 229.1 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...