./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.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_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/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 3b38310287d90f8069af2c9350481a8126041a79 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:37:20,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:37:20,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:37:20,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:37:20,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:37:20,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:37:20,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:37:20,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:37:20,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:37:20,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:37:20,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:37:20,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:37:20,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:37:20,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:37:20,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:37:21,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:37:21,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:37:21,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:37:21,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:37:21,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:37:21,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:37:21,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:37:21,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:37:21,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:37:21,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:37:21,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:37:21,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:37:21,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:37:21,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:37:21,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:37:21,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:37:21,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:37:21,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:37:21,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:37:21,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:37:21,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:37:21,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:37:21,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:37:21,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:37:21,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:37:21,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:37:21,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:37:21,075 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:37:21,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:37:21,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:37:21,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:37:21,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:37:21,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:37:21,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:37:21,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:37:21,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:37:21,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:37:21,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:37:21,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:37:21,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:37:21,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:37:21,080 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:37:21,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:37:21,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:37:21,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:37:21,081 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:37:21,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:37:21,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:37:21,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:37:21,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:37:21,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:37:21,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:37:21,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:37:21,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:37:21,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:37:21,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:37:21,084 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_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b38310287d90f8069af2c9350481a8126041a79 [2020-12-01 16:37:21,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:37:21,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:37:21,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:37:21,422 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:37:21,424 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:37:21,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-12-01 16:37:21,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/data/c8b799328/a7ccc62a05104b11b6fea52bea599dfd/FLAG57cb52204 [2020-12-01 16:37:22,073 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:37:22,073 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-12-01 16:37:22,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/data/c8b799328/a7ccc62a05104b11b6fea52bea599dfd/FLAG57cb52204 [2020-12-01 16:37:22,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/data/c8b799328/a7ccc62a05104b11b6fea52bea599dfd [2020-12-01 16:37:22,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:37:22,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:37:22,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:37:22,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:37:22,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:37:22,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:22,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e893360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22, skipping insertion in model container [2020-12-01 16:37:22,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:22,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:37:22,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:37:22,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:37:22,799 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:37:22,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:37:22,894 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:37:22,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22 WrapperNode [2020-12-01 16:37:22,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:37:22,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:37:22,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:37:22,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:37:22,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:22,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:22,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:37:22,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:37:22,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:37:22,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:37:22,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:22,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:22,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:22,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:23,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:23,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:23,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... [2020-12-01 16:37:23,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:37:23,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:37:23,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:37:23,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:37:23,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:37:23,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:37:23,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:37:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:37:23,134 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:37:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:37:23,135 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:37:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:37:23,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:37:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:37:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:37:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:37:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:37:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:37:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:37:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:37:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:37:24,754 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:37:24,755 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 16:37:24,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:37:24 BoogieIcfgContainer [2020-12-01 16:37:24,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:37:24,760 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:37:24,760 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:37:24,771 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:37:24,772 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:37:24" (1/1) ... [2020-12-01 16:37:24,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:37:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2020-12-01 16:37:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2020-12-01 16:37:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:37:24,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:25,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2020-12-01 16:37:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2020-12-01 16:37:25,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:37:25,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2020-12-01 16:37:25,458 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2020-12-01 16:37:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:37:25,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2020-12-01 16:37:25,717 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-12-01 16:37:25,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:37:25,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:26,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:26,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2020-12-01 16:37:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2020-12-01 16:37:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:37:26,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2020-12-01 16:37:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2020-12-01 16:37:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:37:26,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2020-12-01 16:37:26,375 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2020-12-01 16:37:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:37:26,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:26,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:27,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2020-12-01 16:37:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2020-12-01 16:37:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:37:27,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:27,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 88 states and 144 transitions. [2020-12-01 16:37:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 144 transitions. [2020-12-01 16:37:27,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:37:27,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:28,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 90 states and 145 transitions. [2020-12-01 16:37:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2020-12-01 16:37:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:37:28,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 146 transitions. [2020-12-01 16:37:28,341 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 146 transitions. [2020-12-01 16:37:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:37:28,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:28,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 164 transitions. [2020-12-01 16:37:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 164 transitions. [2020-12-01 16:37:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:37:28,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 165 transitions. [2020-12-01 16:37:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2020-12-01 16:37:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:37:28,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:37:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 178 transitions. [2020-12-01 16:37:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 178 transitions. [2020-12-01 16:37:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:37:28,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:37:29,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 179 transitions. [2020-12-01 16:37:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2020-12-01 16:37:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:37:29,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:37:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 182 transitions. [2020-12-01 16:37:29,246 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2020-12-01 16:37:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:37:29,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:37:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 110 states and 185 transitions. [2020-12-01 16:37:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2020-12-01 16:37:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:37:29,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:37:29,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:29,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 192 transitions. [2020-12-01 16:37:29,692 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 192 transitions. [2020-12-01 16:37:29,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:37:29,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:37:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 199 transitions. [2020-12-01 16:37:29,896 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 199 transitions. [2020-12-01 16:37:29,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:37:29,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:29,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:37:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 119 states and 201 transitions. [2020-12-01 16:37:29,990 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 201 transitions. [2020-12-01 16:37:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:37:29,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:37:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 131 states and 234 transitions. [2020-12-01 16:37:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 234 transitions. [2020-12-01 16:37:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:37:30,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:37:33,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 139 states and 252 transitions. [2020-12-01 16:37:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 252 transitions. [2020-12-01 16:37:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:37:33,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:37:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 140 states and 253 transitions. [2020-12-01 16:37:33,359 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 253 transitions. [2020-12-01 16:37:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:37:33,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:37:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:33,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 141 states and 254 transitions. [2020-12-01 16:37:33,429 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 254 transitions. [2020-12-01 16:37:33,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:37:33,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:37:34,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 144 states and 257 transitions. [2020-12-01 16:37:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2020-12-01 16:37:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:37:34,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:37:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 258 transitions. [2020-12-01 16:37:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 258 transitions. [2020-12-01 16:37:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:37:34,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:37:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 255 transitions. [2020-12-01 16:37:35,408 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 255 transitions. [2020-12-01 16:37:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:37:35,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:37:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 264 transitions. [2020-12-01 16:37:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 264 transitions. [2020-12-01 16:37:35,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:37:35,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:37:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 154 states and 264 transitions. [2020-12-01 16:37:35,522 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 264 transitions. [2020-12-01 16:37:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:37:35,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:37:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 155 states and 265 transitions. [2020-12-01 16:37:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 265 transitions. [2020-12-01 16:37:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:37:35,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:35,615 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:37:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 66 states and 93 transitions. [2020-12-01 16:37:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-12-01 16:37:35,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:37:35,634 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2020-12-01 16:37:35,645 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:37:35,908 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,912 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,913 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,913 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,913 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 16:37:35,921 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,921 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,922 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 16:37:35,925 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,925 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,927 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 16:37:35,931 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,932 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:35,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:37:35 ImpRootNode [2020-12-01 16:37:35,934 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:37:35,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:37:35,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:37:35,935 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:37:35,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:37:24" (3/4) ... [2020-12-01 16:37:35,938 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:37:35,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:37:35,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:37:35,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:37:35,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:37:35,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:37:35,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:37:35,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-12-01 16:37:35,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:37:35,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:37:35,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:37:35,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:37:35,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:37:35,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:37:35,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-12-01 16:37:35,996 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) [2020-12-01 16:37:36,041 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d00a901d-008d-4fb3-9a9c-d28dac6cf7e7/bin/ukojak/witness.graphml [2020-12-01 16:37:36,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:37:36,043 INFO L168 Benchmark]: Toolchain (without parser) took 13663.44 ms. Allocated memory was 123.7 MB in the beginning and 270.5 MB in the end (delta: 146.8 MB). Free memory was 93.2 MB in the beginning and 114.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 125.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:36,043 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:37:36,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.12 ms. Allocated memory is still 123.7 MB. Free memory was 93.0 MB in the beginning and 91.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:36,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.96 ms. Allocated memory is still 123.7 MB. Free memory was 91.2 MB in the beginning and 88.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:36,045 INFO L168 Benchmark]: Boogie Preprocessor took 44.02 ms. Allocated memory is still 123.7 MB. Free memory was 88.8 MB in the beginning and 86.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:36,045 INFO L168 Benchmark]: RCFGBuilder took 1737.81 ms. Allocated memory is still 123.7 MB. Free memory was 86.7 MB in the beginning and 95.6 MB in the end (delta: -8.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:36,046 INFO L168 Benchmark]: CodeCheck took 11174.40 ms. Allocated memory was 123.7 MB in the beginning and 270.5 MB in the end (delta: 146.8 MB). Free memory was 95.6 MB in the beginning and 118.8 MB in the end (delta: -23.3 MB). Peak memory consumption was 124.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:36,046 INFO L168 Benchmark]: Witness Printer took 107.02 ms. Allocated memory is still 270.5 MB. Free memory was 118.8 MB in the beginning and 114.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:36,048 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, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 31, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -560249140 SDtfs, 767517532 SDslu, 589376652 SDs, 0 SdLazy, 152680796 SolverSat, -939450708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8853 GetRequests, 8657 SyntacticMatches, 30 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11231 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 909 NumberOfCodeBlocks, 909 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 68904 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 226/249 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: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.12 ms. Allocated memory is still 123.7 MB. Free memory was 93.0 MB in the beginning and 91.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.96 ms. Allocated memory is still 123.7 MB. Free memory was 91.2 MB in the beginning and 88.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.02 ms. Allocated memory is still 123.7 MB. Free memory was 88.8 MB in the beginning and 86.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1737.81 ms. Allocated memory is still 123.7 MB. Free memory was 86.7 MB in the beginning and 95.6 MB in the end (delta: -8.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * CodeCheck took 11174.40 ms. Allocated memory was 123.7 MB in the beginning and 270.5 MB in the end (delta: 146.8 MB). Free memory was 95.6 MB in the beginning and 118.8 MB in the end (delta: -23.3 MB). Peak memory consumption was 124.5 MB. Max. memory is 16.1 GB. * Witness Printer took 107.02 ms. Allocated memory is still 270.5 MB. Free memory was 118.8 MB in the beginning and 114.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...