./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/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 41f42675c60ac44d105cf71847968c4edf76aefd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:54:30,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:54:30,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:54:30,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:54:30,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:54:30,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:54:30,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:54:30,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:54:30,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:54:30,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:54:30,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:54:30,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:54:30,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:54:30,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:54:30,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:54:30,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:54:30,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:54:30,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:54:30,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:54:30,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:54:30,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:54:30,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:54:30,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:54:30,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:54:30,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:54:30,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:54:30,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:54:30,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:54:30,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:54:30,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:54:30,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:54:30,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:54:30,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:54:30,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:54:30,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:54:30,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:54:30,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:54:30,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:54:30,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:54:30,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:54:30,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:54:30,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:54:30,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:54:30,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:54:30,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:54:30,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:54:30,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:54:30,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:54:30,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:54:30,320 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:54:30,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:54:30,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:54:30,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:54:30,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:54:30,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:54:30,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:54:30,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:54:30,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:54:30,324 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:54:30,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:54:30,324 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:54:30,325 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:54:30,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:54:30,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:54:30,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:54:30,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:54:30,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:54:30,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:54:30,327 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:54:30,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:54:30,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:54:30,330 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_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41f42675c60ac44d105cf71847968c4edf76aefd [2020-12-01 17:54:30,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:54:30,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:54:30,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:54:30,776 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:54:30,778 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:54:30,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2020-12-01 17:54:30,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/data/3c0646bc7/7ba02ba8bcad4485bd22a8618445c31e/FLAGdbb649e8b [2020-12-01 17:54:31,630 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:54:31,631 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c [2020-12-01 17:54:31,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/data/3c0646bc7/7ba02ba8bcad4485bd22a8618445c31e/FLAGdbb649e8b [2020-12-01 17:54:31,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/data/3c0646bc7/7ba02ba8bcad4485bd22a8618445c31e [2020-12-01 17:54:31,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:54:31,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:54:31,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:31,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:54:31,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:54:31,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732b47ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:31, skipping insertion in model container [2020-12-01 17:54:31,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:54:31" (1/1) ... [2020-12-01 17:54:31,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:54:32,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:54:32,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:32,580 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:54:32,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:54:32,770 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:54:32,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32 WrapperNode [2020-12-01 17:54:32,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:54:32,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:32,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:54:32,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:54:32,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... [2020-12-01 17:54:32,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... [2020-12-01 17:54:32,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:54:32,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:54:32,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:54:32,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:54:32,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... [2020-12-01 17:54:32,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... [2020-12-01 17:54:32,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... [2020-12-01 17:54:32,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... [2020-12-01 17:54:32,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... [2020-12-01 17:54:32,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... [2020-12-01 17:54:32,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... [2020-12-01 17:54:32,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:54:32,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:54:32,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:54:32,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:54:32,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:54:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/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 [2020-12-01 17:54:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:54:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:54:33,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:54:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:54:33,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:54:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:54:33,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:54:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:54:33,086 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:54:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:54:33,086 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:54:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:54:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:54:33,087 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:54:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:54:33,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:54:35,178 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:54:35,179 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-12-01 17:54:35,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:35 BoogieIcfgContainer [2020-12-01 17:54:35,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:54:35,189 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:54:35,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:54:35,205 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:54:35,206 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:35" (1/1) ... [2020-12-01 17:54:35,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:54:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:35,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-12-01 17:54:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-12-01 17:54:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:54:35,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 17:54:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 17:54:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:54:35,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:35,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-12-01 17:54:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-12-01 17:54:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:54:35,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2020-12-01 17:54:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2020-12-01 17:54:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:36,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:37,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2020-12-01 17:54:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2020-12-01 17:54:37,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:37,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:37,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:37,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2020-12-01 17:54:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2020-12-01 17:54:37,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:37,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2020-12-01 17:54:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2020-12-01 17:54:38,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:54:38,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:38,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2020-12-01 17:54:38,906 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2020-12-01 17:54:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:54:38,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 93 states and 157 transitions. [2020-12-01 17:54:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2020-12-01 17:54:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:54:39,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2020-12-01 17:54:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2020-12-01 17:54:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:54:39,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 95 states and 161 transitions. [2020-12-01 17:54:39,547 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 161 transitions. [2020-12-01 17:54:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:54:39,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:40,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 169 transitions. [2020-12-01 17:54:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 169 transitions. [2020-12-01 17:54:40,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:54:40,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 178 transitions. [2020-12-01 17:54:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 178 transitions. [2020-12-01 17:54:41,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:54:41,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:54:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 183 transitions. [2020-12-01 17:54:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 183 transitions. [2020-12-01 17:54:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:54:41,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 188 transitions. [2020-12-01 17:54:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 188 transitions. [2020-12-01 17:54:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 17:54:41,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:54:42,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 200 transitions. [2020-12-01 17:54:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 200 transitions. [2020-12-01 17:54:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:54:42,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:54:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 201 transitions. [2020-12-01 17:54:42,326 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 201 transitions. [2020-12-01 17:54:42,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:54:42,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:54:43,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:43,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 209 transitions. [2020-12-01 17:54:43,902 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 209 transitions. [2020-12-01 17:54:43,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:54:43,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:54:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:44,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 124 states and 216 transitions. [2020-12-01 17:54:44,542 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 216 transitions. [2020-12-01 17:54:44,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:54:44,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:54:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 126 states and 218 transitions. [2020-12-01 17:54:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 218 transitions. [2020-12-01 17:54:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:54:44,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 222 transitions. [2020-12-01 17:54:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 222 transitions. [2020-12-01 17:54:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:54:45,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 133 states and 230 transitions. [2020-12-01 17:54:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 230 transitions. [2020-12-01 17:54:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:54:45,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:45,951 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 140 states and 246 transitions. [2020-12-01 17:54:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 246 transitions. [2020-12-01 17:54:46,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:54:46,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:54:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 156 states and 288 transitions. [2020-12-01 17:54:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 288 transitions. [2020-12-01 17:54:51,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:54:51,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 158 states and 290 transitions. [2020-12-01 17:54:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 290 transitions. [2020-12-01 17:54:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:54:51,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:51,927 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 159 states and 291 transitions. [2020-12-01 17:54:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 291 transitions. [2020-12-01 17:54:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:54:51,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 160 states and 292 transitions. [2020-12-01 17:54:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 292 transitions. [2020-12-01 17:54:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:54:52,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:52,122 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:54:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:53,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 165 states and 298 transitions. [2020-12-01 17:54:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 298 transitions. [2020-12-01 17:54:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:54:53,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:53,860 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:54:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:54,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 167 states and 302 transitions. [2020-12-01 17:54:54,877 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 302 transitions. [2020-12-01 17:54:54,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:54:54,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:54:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 163 states and 294 transitions. [2020-12-01 17:54:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 294 transitions. [2020-12-01 17:54:55,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:54:55,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 179 states and 330 transitions. [2020-12-01 17:55:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 330 transitions. [2020-12-01 17:55:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:55:06,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 198 states and 373 transitions. [2020-12-01 17:55:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 373 transitions. [2020-12-01 17:55:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:55:17,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:55:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 202 states and 383 transitions. [2020-12-01 17:55:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 383 transitions. [2020-12-01 17:55:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:55:17,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:24,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 210 states and 399 transitions. [2020-12-01 17:55:24,625 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 399 transitions. [2020-12-01 17:55:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:55:24,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:55:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:24,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 211 states and 400 transitions. [2020-12-01 17:55:24,701 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 400 transitions. [2020-12-01 17:55:24,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:55:24,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:55:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 212 states and 403 transitions. [2020-12-01 17:55:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 403 transitions. [2020-12-01 17:55:25,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:55:25,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:55:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 213 states and 405 transitions. [2020-12-01 17:55:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 405 transitions. [2020-12-01 17:55:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:55:26,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:55:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 214 states and 406 transitions. [2020-12-01 17:55:27,405 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 406 transitions. [2020-12-01 17:55:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:55:27,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:27,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 217 states and 411 transitions. [2020-12-01 17:55:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 411 transitions. [2020-12-01 17:55:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:55:27,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:55:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 218 states and 412 transitions. [2020-12-01 17:55:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 412 transitions. [2020-12-01 17:55:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:55:28,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:55:28,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 219 states and 413 transitions. [2020-12-01 17:55:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 413 transitions. [2020-12-01 17:55:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:55:28,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:55:31,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 224 states and 413 transitions. [2020-12-01 17:55:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 413 transitions. [2020-12-01 17:55:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:55:31,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:55:32,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 225 states and 414 transitions. [2020-12-01 17:55:32,346 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 414 transitions. [2020-12-01 17:55:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:55:32,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:55:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 233 states and 438 transitions. [2020-12-01 17:55:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 438 transitions. [2020-12-01 17:55:39,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:55:39,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:44,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 244 states and 465 transitions. [2020-12-01 17:55:44,267 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 465 transitions. [2020-12-01 17:55:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:55:44,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 245 states and 466 transitions. [2020-12-01 17:55:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 466 transitions. [2020-12-01 17:55:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:44,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:50,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 251 states and 478 transitions. [2020-12-01 17:55:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 478 transitions. [2020-12-01 17:55:50,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:50,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:55:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 256 states and 482 transitions. [2020-12-01 17:55:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 482 transitions. [2020-12-01 17:55:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:55:52,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:55:56,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:56,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 262 states and 496 transitions. [2020-12-01 17:55:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 496 transitions. [2020-12-01 17:55:56,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:55:56,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:56:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 270 states and 522 transitions. [2020-12-01 17:56:05,912 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 522 transitions. [2020-12-01 17:56:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:56:05,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:07,461 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:56:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 283 states and 545 transitions. [2020-12-01 17:56:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 545 transitions. [2020-12-01 17:56:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:56:15,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:56:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 301 states and 597 transitions. [2020-12-01 17:56:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 597 transitions. [2020-12-01 17:56:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:56:29,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 41 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:56:38,312 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-12-01 17:56:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 319 states and 640 transitions. [2020-12-01 17:56:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 640 transitions. [2020-12-01 17:56:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:56:45,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:56:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 323 states and 647 transitions. [2020-12-01 17:56:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 647 transitions. [2020-12-01 17:56:49,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:56:49,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:56:59,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:59,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 309 states and 604 transitions. [2020-12-01 17:56:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 604 transitions. [2020-12-01 17:56:59,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:56:59,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:57:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 312 states and 610 transitions. [2020-12-01 17:57:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 610 transitions. [2020-12-01 17:57:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 17:57:01,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:01,710 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:57:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 309 states and 602 transitions. [2020-12-01 17:57:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 602 transitions. [2020-12-01 17:57:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:57:03,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:57:04,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:04,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 310 states and 605 transitions. [2020-12-01 17:57:04,463 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 605 transitions. [2020-12-01 17:57:04,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:57:04,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:57:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 310 states and 605 transitions. [2020-12-01 17:57:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 605 transitions. [2020-12-01 17:57:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:57:04,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:57:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 310 states and 605 transitions. [2020-12-01 17:57:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 605 transitions. [2020-12-01 17:57:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:57:04,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:57:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 310 states and 605 transitions. [2020-12-01 17:57:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 605 transitions. [2020-12-01 17:57:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:57:04,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:57:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 310 states and 605 transitions. [2020-12-01 17:57:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 605 transitions. [2020-12-01 17:57:04,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:57:04,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:57:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 310 states and 605 transitions. [2020-12-01 17:57:05,074 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 605 transitions. [2020-12-01 17:57:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:57:05,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:57:05,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:57:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:57:05,286 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:57:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:57:05,835 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:57:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:57:06,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:57:11,968 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 63 iterations. [2020-12-01 17:57:12,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:57:12 ImpRootNode [2020-12-01 17:57:12,290 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:57:12,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:57:12,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:57:12,292 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:57:12,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:54:35" (3/4) ... [2020-12-01 17:57:12,295 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:57:12,558 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d77c99d2-df3f-4a7a-bbb5-dd2de37b0885/bin/ukojak/witness.graphml [2020-12-01 17:57:12,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:57:12,560 INFO L168 Benchmark]: Toolchain (without parser) took 160657.38 ms. Allocated memory was 88.1 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 55.9 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 406.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:12,561 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 47.6 MB in the beginning and 47.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:57:12,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.13 ms. Allocated memory is still 88.1 MB. Free memory was 55.6 MB in the beginning and 54.6 MB in the end (delta: 936.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:12,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.04 ms. Allocated memory is still 88.1 MB. Free memory was 54.6 MB in the beginning and 52.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:12,562 INFO L168 Benchmark]: Boogie Preprocessor took 93.86 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 50.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:12,563 INFO L168 Benchmark]: RCFGBuilder took 2189.18 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 50.4 MB in the beginning and 79.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:12,564 INFO L168 Benchmark]: CodeCheck took 157101.58 ms. Allocated memory was 117.4 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 79.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 369.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:12,564 INFO L168 Benchmark]: Witness Printer took 267.45 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:12,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 156.7s, OverallIterations: 63, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1119431680 SDtfs, 1150365376 SDslu, -1715008 SDs, 0 SdLazy, 1351982336 SolverSat, -1030077056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 135.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38046 GetRequests, 37076 SyntacticMatches, 151 SemanticMatches, 819 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341595 ImplicationChecksByTransitivity, 137.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 3159 NumberOfCodeBlocks, 3159 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 3021 ConstructedInterpolants, 0 QuantifiedInterpolants, 460285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 35 PerfectInterpolantSequences, 1505/1777 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L134] int pumpRunning = 0; [L135] int systemActive = 1; [L366] int cleanupTimeShifts = 4; [L464] int methAndRunningLastTime ; [L504] int waterLevel = 1; [L505] int methaneLevelCritical = 0; [L767] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L441] int retValue_acc ; [L442] int tmp ; [L357] int retValue_acc ; [L360] retValue_acc = 1 [L361] return (retValue_acc); [L448] tmp = valid_product() [L450] COND TRUE \read(tmp) [L469] methAndRunningLastTime = 0 [L58] int splverifierCounter ; [L59] int tmp ; [L60] int tmp___0 ; [L61] int tmp___1 ; [L62] int tmp___2 ; [L65] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] COND TRUE splverifierCounter < 4 [L75] tmp = __VERIFIER_nondet_int() [L77] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L79] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE waterLevel < 2 [L523] waterLevel = waterLevel + 1 [L79] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] tmp___0 = __VERIFIER_nondet_int() [L87] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L95] tmp___2 = __VERIFIER_nondet_int() [L97] COND TRUE \read(tmp___2) [L323] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L142] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L149] COND TRUE \read(systemActive) [L171] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] COND TRUE ! pumpRunning [L286] int retValue_acc ; [L287] int tmp ; [L288] int tmp___0 ; [L584] int retValue_acc ; [L587] COND FALSE !(waterLevel < 2) [L591] retValue_acc = 0 [L592] return (retValue_acc); [L292] tmp = isHighWaterSensorDry() [L294] COND FALSE !(\read(tmp)) [L297] tmp___0 = 1 [L299] retValue_acc = tmp___0 [L300] return (retValue_acc); [L176] tmp = isHighWaterLevel() [L178] COND TRUE \read(tmp) [L205] int tmp ; [L230] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L234] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] retValue_acc = isMethaneLevelCritical() [L236] return (retValue_acc); [L209] tmp = isMethaneAlarm() [L211] COND FALSE !(\read(tmp)) [L199] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L474] int tmp ; [L475] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L479] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L479] tmp = isMethaneLevelCritical() [L481] COND FALSE !(\read(tmp)) [L497] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L114] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L67] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L69] COND TRUE splverifierCounter < 4 [L75] tmp = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L85] tmp___0 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L89] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L534] COND FALSE !(\read(methaneLevelCritical)) [L537] methaneLevelCritical = 1 [L89] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L95] tmp___2 = __VERIFIER_nondet_int() [L97] COND FALSE !(\read(tmp___2)) [L103] tmp___1 = __VERIFIER_nondet_int() [L105] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L114] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L142] COND TRUE \read(pumpRunning) [L510] COND TRUE waterLevel > 0 [L511] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L149] COND TRUE \read(systemActive) [L171] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L174] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L189] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L474] int tmp ; [L475] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L479] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L479] tmp = isMethaneLevelCritical() [L481] COND TRUE \read(tmp) [L241] int retValue_acc ; [L244] retValue_acc = pumpRunning [L245] return (retValue_acc); [L483] tmp___0 = isPumpRunning() [L485] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L486] COND FALSE !(\read(methAndRunningLastTime)) [L491] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L114] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L67] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L69] COND TRUE splverifierCounter < 4 [L75] tmp = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L85] tmp___0 = __VERIFIER_nondet_int() [L87] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L95] tmp___2 = __VERIFIER_nondet_int() [L97] COND TRUE \read(tmp___2) [L323] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L114] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L142] COND TRUE \read(pumpRunning) [L510] COND TRUE waterLevel > 0 [L511] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L149] COND TRUE \read(systemActive) [L171] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L174] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L189] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L474] int tmp ; [L475] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L479] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L543] int retValue_acc ; [L546] retValue_acc = methaneLevelCritical [L547] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L479] tmp = isMethaneLevelCritical() [L481] COND TRUE \read(tmp) [L241] int retValue_acc ; [L244] retValue_acc = pumpRunning [L245] return (retValue_acc); [L483] tmp___0 = isPumpRunning() [L485] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L486] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec2_product44.cil.c", 3, "reach_error") VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 47.6 MB in the beginning and 47.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 866.13 ms. Allocated memory is still 88.1 MB. Free memory was 55.6 MB in the beginning and 54.6 MB in the end (delta: 936.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.04 ms. Allocated memory is still 88.1 MB. Free memory was 54.6 MB in the beginning and 52.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.86 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 50.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2189.18 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 50.4 MB in the beginning and 79.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * CodeCheck took 157101.58 ms. Allocated memory was 117.4 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 79.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 369.6 MB. Max. memory is 16.1 GB. * Witness Printer took 267.45 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...