./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/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 0b82b0f998a9d26b358f90a637412c0e37109780 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:29:49,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:29:49,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:29:50,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:29:50,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:29:50,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:29:50,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:29:50,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:29:50,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:29:50,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:29:50,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:29:50,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:29:50,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:29:50,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:29:50,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:29:50,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:29:50,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:29:50,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:29:50,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:29:50,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:29:50,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:29:50,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:29:50,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:29:50,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:29:50,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:29:50,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:29:50,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:29:50,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:29:50,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:29:50,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:29:50,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:29:50,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:29:50,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:29:50,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:29:50,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:29:50,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:29:50,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:29:50,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:29:50,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:29:50,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:29:50,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:29:50,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:29:50,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:29:50,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:29:50,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:29:50,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:29:50,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:29:50,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:29:50,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:29:50,151 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:29:50,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:29:50,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:29:50,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:29:50,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:29:50,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:29:50,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:29:50,154 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:29:50,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:29:50,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:29:50,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:29:50,155 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:29:50,155 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:29:50,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:29:50,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:29:50,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:29:50,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:29:50,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:29:50,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:29:50,157 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:29:50,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:29:50,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:29:50,157 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_805f04ee-f4b3-4c39-b029-b3177f18f3eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b82b0f998a9d26b358f90a637412c0e37109780 [2020-11-29 21:29:50,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:29:50,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:29:50,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:29:50,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:29:50,493 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:29:50,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-11-29 21:29:50,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/data/9e0e27031/e7a98205f1ae4f948238c801422ae4ea/FLAG4ba41ab24 [2020-11-29 21:29:51,037 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:29:51,038 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-11-29 21:29:51,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/data/9e0e27031/e7a98205f1ae4f948238c801422ae4ea/FLAG4ba41ab24 [2020-11-29 21:29:51,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/data/9e0e27031/e7a98205f1ae4f948238c801422ae4ea [2020-11-29 21:29:51,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:29:51,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:29:51,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:29:51,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:29:51,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:29:51,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:51,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3733c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51, skipping insertion in model container [2020-11-29 21:29:51,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:51,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:29:51,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:29:51,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:29:51,740 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:29:51,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:29:51,889 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:29:51,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51 WrapperNode [2020-11-29 21:29:51,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:29:51,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:29:51,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:29:51,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:29:51,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:51,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:51,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:29:51,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:29:51,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:29:51,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:29:51,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:51,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:51,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:51,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:51,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:52,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:52,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... [2020-11-29 21:29:52,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:29:52,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:29:52,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:29:52,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:29:52,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:29:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:29:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:29:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 21:29:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 21:29:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 21:29:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 21:29:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 21:29:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 21:29:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 21:29:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 21:29:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 21:29:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 21:29:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:29:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 21:29:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 21:29:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:29:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:29:53,507 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:29:53,508 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-29 21:29:53,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:29:53 BoogieIcfgContainer [2020-11-29 21:29:53,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:29:53,511 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:29:53,511 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:29:53,524 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:29:53,524 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:29:53" (1/1) ... [2020-11-29 21:29:53,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:29:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-11-29 21:29:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-11-29 21:29:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:29:53,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:29:53,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-29 21:29:53,806 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-29 21:29:53,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 21:29:53,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:29:53,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-11-29 21:29:53,967 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-11-29 21:29:53,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 21:29:53,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:29:54,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2020-11-29 21:29:54,547 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-11-29 21:29:54,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:29:54,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:29:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2020-11-29 21:29:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2020-11-29 21:29:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:29:55,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:29:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 149 transitions. [2020-11-29 21:29:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2020-11-29 21:29:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:29:56,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:29:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 97 states and 165 transitions. [2020-11-29 21:29:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 165 transitions. [2020-11-29 21:29:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:29:57,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:29:57,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 99 states and 167 transitions. [2020-11-29 21:29:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 167 transitions. [2020-11-29 21:29:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:29:57,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:29:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 103 states and 174 transitions. [2020-11-29 21:29:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 174 transitions. [2020-11-29 21:29:57,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:29:57,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:29:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 105 states and 176 transitions. [2020-11-29 21:29:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2020-11-29 21:29:57,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 21:29:57,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:57,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:29:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:57,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 186 transitions. [2020-11-29 21:29:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2020-11-29 21:29:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:29:57,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:29:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 186 transitions. [2020-11-29 21:29:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2020-11-29 21:29:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 21:29:57,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:29:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 112 states and 187 transitions. [2020-11-29 21:29:57,899 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 187 transitions. [2020-11-29 21:29:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:29:57,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:29:58,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 113 states and 189 transitions. [2020-11-29 21:29:58,149 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 189 transitions. [2020-11-29 21:29:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 21:29:58,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:29:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 199 transitions. [2020-11-29 21:29:58,368 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 199 transitions. [2020-11-29 21:29:58,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 21:29:58,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 21:29:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:29:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 121 states and 207 transitions. [2020-11-29 21:29:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 207 transitions. [2020-11-29 21:29:59,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 21:29:59,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:29:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:29:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:30:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:00,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 222 transitions. [2020-11-29 21:30:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 222 transitions. [2020-11-29 21:30:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 21:30:00,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:30:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:30:00,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 130 states and 223 transitions. [2020-11-29 21:30:00,574 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 223 transitions. [2020-11-29 21:30:00,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:30:00,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:30:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:30:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:00,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 133 states and 230 transitions. [2020-11-29 21:30:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 230 transitions. [2020-11-29 21:30:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 21:30:00,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:30:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:30:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 146 states and 255 transitions. [2020-11-29 21:30:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 255 transitions. [2020-11-29 21:30:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:30:02,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:30:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 21:30:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 152 states and 271 transitions. [2020-11-29 21:30:04,242 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 271 transitions. [2020-11-29 21:30:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 21:30:04,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:30:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:30:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 159 states and 283 transitions. [2020-11-29 21:30:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2020-11-29 21:30:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 21:30:05,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:30:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 21:30:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 162 states and 288 transitions. [2020-11-29 21:30:05,438 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2020-11-29 21:30:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 21:30:05,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:30:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:30:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 163 states and 289 transitions. [2020-11-29 21:30:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2020-11-29 21:30:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 21:30:05,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:30:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 21:30:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:05,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 164 states and 290 transitions. [2020-11-29 21:30:05,606 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 290 transitions. [2020-11-29 21:30:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 21:30:05,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:30:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:30:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 21:30:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:30:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 55 states and 66 transitions. [2020-11-29 21:30:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-11-29 21:30:05,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:30:05,688 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2020-11-29 21:30:05,694 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 21:30:06,064 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,067 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 21:30:06,071 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,071 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,071 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,072 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,072 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,072 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,072 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,076 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,076 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 21:30:06,077 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 21:30:06,080 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:30:06,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:30:06 ImpRootNode [2020-11-29 21:30:06,081 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:30:06,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:30:06,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:30:06,082 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:30:06,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:29:53" (3/4) ... [2020-11-29 21:30:06,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:30:06,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 21:30:06,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 21:30:06,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 21:30:06,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 21:30:06,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 21:30:06,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 21:30:06,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-29 21:30:06,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 21:30:06,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 21:30:06,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 21:30:06,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:30:06,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:30:06,113 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:30:06,144 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-29 21:30:06,204 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_805f04ee-f4b3-4c39-b029-b3177f18f3eb/bin/ukojak/witness.graphml [2020-11-29 21:30:06,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:30:06,206 INFO L168 Benchmark]: Toolchain (without parser) took 14822.20 ms. Allocated memory was 92.3 MB in the beginning and 234.9 MB in the end (delta: 142.6 MB). Free memory was 55.2 MB in the beginning and 167.6 MB in the end (delta: -112.4 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:06,206 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory is still 72.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:30:06,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.04 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 59.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:06,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.72 ms. Allocated memory is still 92.3 MB. Free memory was 59.1 MB in the beginning and 56.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:06,208 INFO L168 Benchmark]: Boogie Preprocessor took 31.33 ms. Allocated memory is still 92.3 MB. Free memory was 56.7 MB in the beginning and 54.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:06,208 INFO L168 Benchmark]: RCFGBuilder took 1503.16 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 43.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:06,209 INFO L168 Benchmark]: CodeCheck took 12570.01 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 43.1 MB in the beginning and 172.9 MB in the end (delta: -129.7 MB). Peak memory consumption was 96.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:06,209 INFO L168 Benchmark]: Witness Printer took 122.26 ms. Allocated memory is still 234.9 MB. Free memory was 172.9 MB in the beginning and 167.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:30:06,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 791872532 SDtfs, 291148260 SDslu, 597779172 SDs, 0 SdLazy, 634097940 SolverSat, 212521452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9419 GetRequests, 9232 SyntacticMatches, 3 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13653 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 961 NumberOfCodeBlocks, 961 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 936 ConstructedInterpolants, 0 QuantifiedInterpolants, 77339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 290/313 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: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((tmp == systemActive && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory is still 72.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 507.04 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 59.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.72 ms. Allocated memory is still 92.3 MB. Free memory was 59.1 MB in the beginning and 56.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.33 ms. Allocated memory is still 92.3 MB. Free memory was 56.7 MB in the beginning and 54.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1503.16 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 43.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. * CodeCheck took 12570.01 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 43.1 MB in the beginning and 172.9 MB in the end (delta: -129.7 MB). Peak memory consumption was 96.5 MB. Max. memory is 16.1 GB. * Witness Printer took 122.26 ms. Allocated memory is still 234.9 MB. Free memory was 172.9 MB in the beginning and 167.6 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...