./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.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_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/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 f7c7db9989bf214b2258caa5c05380b7759170fd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:31:00,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:31:00,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:31:00,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:31:00,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:31:00,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:31:00,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:31:00,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:31:00,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:31:00,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:31:00,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:31:00,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:31:00,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:31:00,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:31:00,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:31:00,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:31:00,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:31:00,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:31:00,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:31:00,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:31:00,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:31:00,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:31:00,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:31:00,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:31:00,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:31:00,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:31:00,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:31:00,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:31:00,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:31:00,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:31:00,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:31:00,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:31:00,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:31:00,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:31:00,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:31:00,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:31:00,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:31:00,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:31:00,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:31:00,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:31:00,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:31:00,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:31:00,296 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:31:00,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:31:00,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:31:00,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:31:00,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:31:00,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:31:00,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:31:00,299 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:31:00,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:31:00,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:31:00,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:31:00,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:31:00,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:31:00,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:31:00,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:31:00,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:31:00,302 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:31:00,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:31:00,302 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:31:00,303 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:31:00,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:31:00,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:31:00,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:31:00,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:31:00,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:31:00,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:31:00,304 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:31:00,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:31:00,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:31:00,305 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_215cb297-5598-42b9-94fb-0ed3db8e528e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c7db9989bf214b2258caa5c05380b7759170fd [2020-12-01 16:31:00,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:31:00,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:31:00,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:31:00,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:31:00,612 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:31:00,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-12-01 16:31:00,703 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/data/8772b01cc/4535037691ad4466841af2e2933a1f46/FLAG89bdba11d [2020-12-01 16:31:01,183 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:31:01,184 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-12-01 16:31:01,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/data/8772b01cc/4535037691ad4466841af2e2933a1f46/FLAG89bdba11d [2020-12-01 16:31:01,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/data/8772b01cc/4535037691ad4466841af2e2933a1f46 [2020-12-01 16:31:01,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:31:01,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:31:01,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:01,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:31:01,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:31:01,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:01" (1/1) ... [2020-12-01 16:31:01,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1527f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:01, skipping insertion in model container [2020-12-01 16:31:01,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:01" (1/1) ... [2020-12-01 16:31:01,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:31:01,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:31:01,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:01,912 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:31:01,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:02,020 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:31:02,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02 WrapperNode [2020-12-01 16:31:02,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:02,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:02,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:31:02,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:31:02,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... [2020-12-01 16:31:02,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... [2020-12-01 16:31:02,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:02,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:31:02,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:31:02,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:31:02,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... [2020-12-01 16:31:02,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... [2020-12-01 16:31:02,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... [2020-12-01 16:31:02,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... [2020-12-01 16:31:02,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... [2020-12-01 16:31:02,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... [2020-12-01 16:31:02,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... [2020-12-01 16:31:02,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:31:02,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:31:02,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:31:02,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:31:02,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/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 16:31:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:31:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:31:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:31:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:31:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:31:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:31:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:31:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:31:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:31:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:31:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:31:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 16:31:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 16:31:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:31:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:31:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:31:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:31:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:31:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:31:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:31:03,813 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:31:03,814 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 16:31:03,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:03 BoogieIcfgContainer [2020-12-01 16:31:03,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:31:03,817 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:31:03,817 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:31:03,827 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:31:03,828 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:03" (1/1) ... [2020-12-01 16:31:03,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:31:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:03,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2020-12-01 16:31:03,886 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2020-12-01 16:31:03,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:31:03,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:04,207 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 16:31:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2020-12-01 16:31:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2020-12-01 16:31:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:31:04,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:04,389 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 16:31:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2020-12-01 16:31:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2020-12-01 16:31:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:31:04,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:04,513 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 16:31:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2020-12-01 16:31:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-12-01 16:31:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:31:04,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:04,789 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 16:31:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2020-12-01 16:31:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2020-12-01 16:31:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:31:04,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:04,886 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 16:31:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2020-12-01 16:31:04,909 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2020-12-01 16:31:04,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:31:04,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:05,052 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 16:31:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:05,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2020-12-01 16:31:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2020-12-01 16:31:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:31:05,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:05,546 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 16:31:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 98 states and 152 transitions. [2020-12-01 16:31:06,004 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 152 transitions. [2020-12-01 16:31:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:31:06,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:06,072 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 16:31:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 99 states and 155 transitions. [2020-12-01 16:31:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 155 transitions. [2020-12-01 16:31:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:31:06,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:06,256 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 16:31:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 100 states and 158 transitions. [2020-12-01 16:31:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-12-01 16:31:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:31:06,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:06,360 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 16:31:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 102 states and 161 transitions. [2020-12-01 16:31:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 161 transitions. [2020-12-01 16:31:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:31:06,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:06,582 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 16:31:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 202 transitions. [2020-12-01 16:31:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 202 transitions. [2020-12-01 16:31:07,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:31:07,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:07,683 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 16:31:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 203 transitions. [2020-12-01 16:31:07,706 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2020-12-01 16:31:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:31:07,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:07,745 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 16:31:08,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 126 states and 212 transitions. [2020-12-01 16:31:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2020-12-01 16:31:08,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:31:08,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:08,115 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 16:31:08,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 127 states and 213 transitions. [2020-12-01 16:31:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 213 transitions. [2020-12-01 16:31:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:31:08,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:08,180 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 16:31:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 132 states and 224 transitions. [2020-12-01 16:31:08,371 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 224 transitions. [2020-12-01 16:31:08,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:31:08,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:08,832 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 16:31:09,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:09,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 139 states and 248 transitions. [2020-12-01 16:31:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 248 transitions. [2020-12-01 16:31:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:31:09,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:10,025 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 16:31:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:10,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 140 states and 249 transitions. [2020-12-01 16:31:10,043 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 249 transitions. [2020-12-01 16:31:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:31:10,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:10,081 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 16:31:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:10,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 255 transitions. [2020-12-01 16:31:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 255 transitions. [2020-12-01 16:31:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:31:10,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:31:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:12,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 153 states and 297 transitions. [2020-12-01 16:31:12,068 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 297 transitions. [2020-12-01 16:31:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:31:12,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:31:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 161 states and 331 transitions. [2020-12-01 16:31:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 331 transitions. [2020-12-01 16:31:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:31:13,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:31:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 171 states and 360 transitions. [2020-12-01 16:31:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 360 transitions. [2020-12-01 16:31:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:31:15,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:31:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:15,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 173 states and 374 transitions. [2020-12-01 16:31:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 374 transitions. [2020-12-01 16:31:15,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:31:15,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:31:16,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 174 states and 374 transitions. [2020-12-01 16:31:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 374 transitions. [2020-12-01 16:31:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:31:16,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:31:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:17,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 179 states and 388 transitions. [2020-12-01 16:31:17,190 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 388 transitions. [2020-12-01 16:31:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:31:17,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:31:17,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 177 states and 369 transitions. [2020-12-01 16:31:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 369 transitions. [2020-12-01 16:31:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:31:17,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:31:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 179 states and 379 transitions. [2020-12-01 16:31:17,649 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 379 transitions. [2020-12-01 16:31:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:31:17,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:31:17,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 180 states and 375 transitions. [2020-12-01 16:31:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 375 transitions. [2020-12-01 16:31:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:31:17,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 187 states and 401 transitions. [2020-12-01 16:31:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 401 transitions. [2020-12-01 16:31:18,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:31:18,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 189 states and 411 transitions. [2020-12-01 16:31:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 411 transitions. [2020-12-01 16:31:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:31:18,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:18,985 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:19,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:19,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 189 states and 408 transitions. [2020-12-01 16:31:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 408 transitions. [2020-12-01 16:31:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:31:19,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:20,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 189 states and 405 transitions. [2020-12-01 16:31:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 405 transitions. [2020-12-01 16:31:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:31:20,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:31:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 190 states and 406 transitions. [2020-12-01 16:31:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 406 transitions. [2020-12-01 16:31:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:31:20,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 16:31:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 193 states and 411 transitions. [2020-12-01 16:31:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 411 transitions. [2020-12-01 16:31:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:31:20,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 16:31:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 194 states and 412 transitions. [2020-12-01 16:31:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 412 transitions. [2020-12-01 16:31:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:31:20,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 16:31:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 82 states and 102 transitions. [2020-12-01 16:31:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2020-12-01 16:31:20,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:31:20,621 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2020-12-01 16:31:20,627 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:31:21,016 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:21,020 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:21,020 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:31:21,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:21,023 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:31:21,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:21,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:21,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:21,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:21,025 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:21,025 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:21,025 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2020-12-01 16:31:21,026 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-12-01 16:31:21,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:31:21 ImpRootNode [2020-12-01 16:31:21,027 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:31:21,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:31:21,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:31:21,028 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:31:21,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:03" (3/4) ... [2020-12-01 16:31:21,031 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:31:21,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:31:21,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:31:21,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:31:21,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:31:21,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:31:21,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:31:21,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:31:21,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 16:31:21,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2020-12-01 16:31:21,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:31:21,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:31:21,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:31:21,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:31:21,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:31:21,048 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:31:21,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) [2020-12-01 16:31:21,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 16:31:21,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0 [2020-12-01 16:31:21,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_215cb297-5598-42b9-94fb-0ed3db8e528e/bin/ukojak/witness.graphml [2020-12-01 16:31:21,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:31:21,118 INFO L168 Benchmark]: Toolchain (without parser) took 19592.28 ms. Allocated memory was 113.2 MB in the beginning and 343.9 MB in the end (delta: 230.7 MB). Free memory was 82.9 MB in the beginning and 133.8 MB in the end (delta: -50.9 MB). Peak memory consumption was 178.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:21,118 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:31:21,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.90 ms. Allocated memory is still 113.2 MB. Free memory was 82.7 MB in the beginning and 81.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:21,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.35 ms. Allocated memory is still 113.2 MB. Free memory was 81.1 MB in the beginning and 78.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:21,119 INFO L168 Benchmark]: Boogie Preprocessor took 51.54 ms. Allocated memory is still 113.2 MB. Free memory was 78.9 MB in the beginning and 76.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:21,120 INFO L168 Benchmark]: RCFGBuilder took 1674.74 ms. Allocated memory is still 113.2 MB. Free memory was 76.9 MB in the beginning and 52.4 MB in the end (delta: 24.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:21,120 INFO L168 Benchmark]: CodeCheck took 17210.14 ms. Allocated memory was 113.2 MB in the beginning and 343.9 MB in the end (delta: 230.7 MB). Free memory was 52.4 MB in the beginning and 140.1 MB in the end (delta: -87.7 MB). Peak memory consumption was 147.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:21,121 INFO L168 Benchmark]: Witness Printer took 88.58 ms. Allocated memory is still 343.9 MB. Free memory was 140.1 MB in the beginning and 133.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:21,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.7s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 197019556 SDtfs, 969561452 SDslu, 1105579804 SDs, 0 SdLazy, -658772900 SolverSat, 1062524212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17407 GetRequests, 17148 SyntacticMatches, 9 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27671 ImplicationChecksByTransitivity, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1631 NumberOfCodeBlocks, 1631 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1596 ConstructedInterpolants, 0 QuantifiedInterpolants, 155896 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 28 PerfectInterpolantSequences, 493/516 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (!(pumpRunning == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.90 ms. Allocated memory is still 113.2 MB. Free memory was 82.7 MB in the beginning and 81.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.35 ms. Allocated memory is still 113.2 MB. Free memory was 81.1 MB in the beginning and 78.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.54 ms. Allocated memory is still 113.2 MB. Free memory was 78.9 MB in the beginning and 76.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1674.74 ms. Allocated memory is still 113.2 MB. Free memory was 76.9 MB in the beginning and 52.4 MB in the end (delta: 24.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * CodeCheck took 17210.14 ms. Allocated memory was 113.2 MB in the beginning and 343.9 MB in the end (delta: 230.7 MB). Free memory was 52.4 MB in the beginning and 140.1 MB in the end (delta: -87.7 MB). Peak memory consumption was 147.2 MB. Max. memory is 16.1 GB. * Witness Printer took 88.58 ms. Allocated memory is still 343.9 MB. Free memory was 140.1 MB in the beginning and 133.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...