./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.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_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/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 19038d4a2c37771efda8321d3e888c138b34ccd1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:02:43,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:02:43,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:02:43,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:02:43,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:02:43,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:02:43,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:02:43,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:02:43,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:02:43,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:02:43,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:02:43,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:02:43,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:02:43,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:02:43,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:02:43,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:02:43,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:02:43,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:02:43,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:02:43,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:02:43,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:02:43,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:02:43,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:02:43,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:02:43,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:02:43,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:02:43,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:02:43,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:02:43,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:02:43,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:02:43,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:02:43,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:02:43,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:02:43,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:02:43,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:02:43,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:02:43,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:02:43,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:02:43,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:02:43,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:02:43,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:02:43,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:02:43,703 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:02:43,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:02:43,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:02:43,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:02:43,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:02:43,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:02:43,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:02:43,707 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:02:43,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:02:43,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:02:43,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:02:43,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:02:43,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:02:43,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:02:43,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:02:43,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:02:43,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:02:43,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:02:43,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:02:43,712 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:02:43,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:02:43,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:02:43,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:02:43,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:02:43,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:02:43,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:02:43,714 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:02:43,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:02:43,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:02:43,716 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_7f022ac2-83af-4eeb-897c-53b238785751/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19038d4a2c37771efda8321d3e888c138b34ccd1 [2020-12-01 17:02:44,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:02:44,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:02:44,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:02:44,057 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:02:44,058 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:02:44,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-12-01 17:02:44,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/data/47036e516/013f9ac65f1649458eb03f6a021fdda9/FLAG86b36d2b2 [2020-12-01 17:02:44,734 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:02:44,735 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2020-12-01 17:02:44,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/data/47036e516/013f9ac65f1649458eb03f6a021fdda9/FLAG86b36d2b2 [2020-12-01 17:02:45,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/data/47036e516/013f9ac65f1649458eb03f6a021fdda9 [2020-12-01 17:02:45,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:02:45,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:02:45,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:02:45,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:02:45,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:02:45,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af9fc8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45, skipping insertion in model container [2020-12-01 17:02:45,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:02:45,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:02:45,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:02:45,481 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:02:45,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:02:45,618 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:02:45,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45 WrapperNode [2020-12-01 17:02:45,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:02:45,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:02:45,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:02:45,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:02:45,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:02:45,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:02:45,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:02:45,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:02:45,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... [2020-12-01 17:02:45,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:02:45,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:02:45,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:02:45,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:02:45,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:02:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/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 17:02:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:02:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:02:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:02:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:02:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:02:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:02:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:02:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:02:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:02:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:02:47,600 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:02:47,600 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 17:02:47,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:02:47 BoogieIcfgContainer [2020-12-01 17:02:47,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:02:47,605 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:02:47,606 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:02:47,620 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:02:47,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:02:47" (1/1) ... [2020-12-01 17:02:47,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:02:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-12-01 17:02:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-12-01 17:02:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:02:47,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:48,088 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 17:02:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-12-01 17:02:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-12-01 17:02:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:02:48,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:48,273 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 17:02:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 17:02:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 17:02:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:02:48,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:48,500 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 17:02:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2020-12-01 17:02:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2020-12-01 17:02:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:02:48,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:48,995 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 17:02:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2020-12-01 17:02:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2020-12-01 17:02:49,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:02:49,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:49,717 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 17:02:50,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2020-12-01 17:02:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2020-12-01 17:02:50,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:02:50,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:50,737 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 17:02:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 90 states and 150 transitions. [2020-12-01 17:02:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2020-12-01 17:02:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:02:50,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:51,053 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 17:02:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:51,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 171 transitions. [2020-12-01 17:02:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2020-12-01 17:02:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:02:51,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:51,888 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 17:02:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 170 transitions. [2020-12-01 17:02:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2020-12-01 17:02:51,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:02:51,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:51,967 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 17:02:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 172 transitions. [2020-12-01 17:02:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 172 transitions. [2020-12-01 17:02:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:02:52,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:52,225 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 17:02:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:52,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 103 states and 173 transitions. [2020-12-01 17:02:52,332 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 173 transitions. [2020-12-01 17:02:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:02:52,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:52,401 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 17:02:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 104 states and 175 transitions. [2020-12-01 17:02:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 175 transitions. [2020-12-01 17:02:52,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:02:52,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:52,665 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 17:02:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 185 transitions. [2020-12-01 17:02:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2020-12-01 17:02:52,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:02:52,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:53,211 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 17:02:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 112 states and 195 transitions. [2020-12-01 17:02:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2020-12-01 17:02:54,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:02:54,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:54,149 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:02:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:54,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 120 states and 210 transitions. [2020-12-01 17:02:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 210 transitions. [2020-12-01 17:02:54,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:02:54,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:55,048 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 17:02:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 211 transitions. [2020-12-01 17:02:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 211 transitions. [2020-12-01 17:02:55,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:02:55,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:55,149 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 17:02:55,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 124 states and 218 transitions. [2020-12-01 17:02:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 218 transitions. [2020-12-01 17:02:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:02:55,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:55,416 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 17:02:55,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 127 states and 222 transitions. [2020-12-01 17:02:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 222 transitions. [2020-12-01 17:02:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:02:55,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:02:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:02:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 133 states and 239 transitions. [2020-12-01 17:02:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 239 transitions. [2020-12-01 17:02:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:02:57,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:02:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:02:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:03:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 143 states and 257 transitions. [2020-12-01 17:03:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 257 transitions. [2020-12-01 17:03:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:03:00,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:03:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 150 states and 269 transitions. [2020-12-01 17:03:02,052 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 269 transitions. [2020-12-01 17:03:02,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:03:02,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:03:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:02,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 153 states and 274 transitions. [2020-12-01 17:03:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 274 transitions. [2020-12-01 17:03:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:03:02,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:02,221 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:03:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 154 states and 275 transitions. [2020-12-01 17:03:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 275 transitions. [2020-12-01 17:03:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:03:02,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 17:03:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 155 states and 276 transitions. [2020-12-01 17:03:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 276 transitions. [2020-12-01 17:03:02,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:03:02,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:03:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:03:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:03:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:03:02,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 55 states and 66 transitions. [2020-12-01 17:03:02,459 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-12-01 17:03:02,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:03:02,459 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-12-01 17:03:02,474 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:03:02,863 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:03:02,867 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:03:02,873 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:03:02,873 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:03:02,874 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:03:02,874 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:03:02,874 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:03:02,874 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:03:02,875 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:03:02,875 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:03:02,877 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:03:02,877 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-12-01 17:03:02,879 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:03:02,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:03:02 ImpRootNode [2020-12-01 17:03:02,879 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:03:02,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:03:02,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:03:02,881 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:03:02,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:02:47" (3/4) ... [2020-12-01 17:03:02,886 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:03:02,894 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:03:02,894 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:03:02,894 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:03:02,894 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:03:02,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:03:02,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:03:02,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-12-01 17:03:02,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-01 17:03:02,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:03:02,909 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:03:02,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:03:02,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:03:02,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:03:02,946 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-12-01 17:03:02,947 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-12-01 17:03:03,025 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7f022ac2-83af-4eeb-897c-53b238785751/bin/ukojak/witness.graphml [2020-12-01 17:03:03,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:03:03,027 INFO L168 Benchmark]: Toolchain (without parser) took 18005.46 ms. Allocated memory was 100.7 MB in the beginning and 255.9 MB in the end (delta: 155.2 MB). Free memory was 73.0 MB in the beginning and 208.1 MB in the end (delta: -135.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:03:03,029 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory is still 38.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:03:03,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.06 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 67.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:03:03,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.18 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 64.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:03:03,031 INFO L168 Benchmark]: Boogie Preprocessor took 69.77 ms. Allocated memory is still 100.7 MB. Free memory was 64.7 MB in the beginning and 63.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:03:03,032 INFO L168 Benchmark]: RCFGBuilder took 1819.64 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.0 MB in the beginning and 90.0 MB in the end (delta: -27.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:03:03,035 INFO L168 Benchmark]: CodeCheck took 15274.34 ms. Allocated memory was 121.6 MB in the beginning and 255.9 MB in the end (delta: 134.2 MB). Free memory was 90.0 MB in the beginning and 213.3 MB in the end (delta: -123.3 MB). Peak memory consumption was 117.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:03:03,035 INFO L168 Benchmark]: Witness Printer took 144.94 ms. Allocated memory is still 255.9 MB. Free memory was 213.3 MB in the beginning and 208.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:03:03,038 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, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 367394708 SDtfs, 142544996 SDslu, 246337380 SDs, 0 SdLazy, 307158036 SolverSat, 88574060 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9008 GetRequests, 8823 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13380 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 924 NumberOfCodeBlocks, 924 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 900 ConstructedInterpolants, 0 QuantifiedInterpolants, 75761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 293/316 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: 225]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory is still 38.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 593.06 ms. Allocated memory is still 100.7 MB. Free memory was 72.7 MB in the beginning and 67.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.18 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 64.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.77 ms. Allocated memory is still 100.7 MB. Free memory was 64.7 MB in the beginning and 63.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1819.64 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.0 MB in the beginning and 90.0 MB in the end (delta: -27.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * CodeCheck took 15274.34 ms. Allocated memory was 121.6 MB in the beginning and 255.9 MB in the end (delta: 134.2 MB). Free memory was 90.0 MB in the beginning and 213.3 MB in the end (delta: -123.3 MB). Peak memory consumption was 117.0 MB. Max. memory is 16.1 GB. * Witness Printer took 144.94 ms. Allocated memory is still 255.9 MB. Free memory was 213.3 MB in the beginning and 208.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...