./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.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_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/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 e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:35:37,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:37,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:37,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:37,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:37,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:37,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:37,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:37,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:37,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:37,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:37,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:37,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:37,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:37,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:37,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:37,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:37,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:37,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:37,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:37,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:37,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:37,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:37,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:37,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:37,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:37,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:37,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:37,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:37,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:37,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:37,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:37,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:37,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:37,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:37,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:37,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:37,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:37,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:37,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:37,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:37,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:35:37,522 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:37,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:37,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:35:37,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:35:37,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:37,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:37,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:37,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:35:37,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:35:37,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:35:37,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:37,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:35:37,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:35:37,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:35:37,530 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:35:37,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:35:37,530 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:37,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:35:37,531 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:35:37,531 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:35:37,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:37,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:35:37,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:35:37,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:37,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:35:37,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:35:37,533 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:35:37,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:35:37,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:35:37,534 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_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 [2020-11-30 00:35:37,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:37,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:37,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:37,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:37,939 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:37,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2020-11-30 00:35:38,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/data/d20cfb47c/d5af14f19bb048808465b6eb8d16cf3b/FLAG642e950c1 [2020-11-30 00:35:38,756 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:38,757 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2020-11-30 00:35:38,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/data/d20cfb47c/d5af14f19bb048808465b6eb8d16cf3b/FLAG642e950c1 [2020-11-30 00:35:38,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/data/d20cfb47c/d5af14f19bb048808465b6eb8d16cf3b [2020-11-30 00:35:38,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:38,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:39,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:39,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:39,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:39,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:38" (1/1) ... [2020-11-30 00:35:39,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39, skipping insertion in model container [2020-11-30 00:35:39,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:38" (1/1) ... [2020-11-30 00:35:39,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:39,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:39,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:39,526 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:39,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:39,659 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:39,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39 WrapperNode [2020-11-30 00:35:39,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:39,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:39,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:39,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:39,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... [2020-11-30 00:35:39,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... [2020-11-30 00:35:39,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:39,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:39,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:39,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:39,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... [2020-11-30 00:35:39,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... [2020-11-30 00:35:39,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... [2020-11-30 00:35:39,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... [2020-11-30 00:35:39,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... [2020-11-30 00:35:39,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... [2020-11-30 00:35:39,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... [2020-11-30 00:35:39,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:39,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:39,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:39,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:39,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/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 [2020-11-30 00:35:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:35:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 00:35:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 00:35:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 00:35:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 00:35:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 00:35:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 00:35:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 00:35:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 00:35:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 00:35:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 00:35:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-30 00:35:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-30 00:35:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 00:35:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 00:35:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:35:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 00:35:39,896 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 00:35:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:39,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:41,451 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:41,452 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-30 00:35:41,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:41 BoogieIcfgContainer [2020-11-30 00:35:41,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:41,456 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:35:41,456 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:35:41,470 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:35:41,470 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:41" (1/1) ... [2020-11-30 00:35:41,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2020-11-30 00:35:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2020-11-30 00:35:41,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:35:41,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:41,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2020-11-30 00:35:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-11-30 00:35:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:35:41,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2020-11-30 00:35:42,037 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2020-11-30 00:35:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:35:42,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:42,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:42,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2020-11-30 00:35:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2020-11-30 00:35:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:35:42,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2020-11-30 00:35:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2020-11-30 00:35:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:35:42,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:42,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2020-11-30 00:35:42,945 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2020-11-30 00:35:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:35:42,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 150 transitions. [2020-11-30 00:35:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2020-11-30 00:35:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:35:43,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2020-11-30 00:35:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2020-11-30 00:35:43,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:35:43,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 116 states and 191 transitions. [2020-11-30 00:35:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2020-11-30 00:35:45,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:35:45,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 120 states and 197 transitions. [2020-11-30 00:35:46,257 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 197 transitions. [2020-11-30 00:35:46,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:35:46,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2020-11-30 00:35:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2020-11-30 00:35:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:35:46,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 128 states and 214 transitions. [2020-11-30 00:35:46,812 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 214 transitions. [2020-11-30 00:35:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:35:46,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:35:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:46,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 132 states and 224 transitions. [2020-11-30 00:35:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 224 transitions. [2020-11-30 00:35:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:35:46,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:47,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:47,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 138 states and 239 transitions. [2020-11-30 00:35:47,296 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 239 transitions. [2020-11-30 00:35:47,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 00:35:47,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:47,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 140 states and 244 transitions. [2020-11-30 00:35:47,758 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 244 transitions. [2020-11-30 00:35:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 00:35:47,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:47,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 138 states and 238 transitions. [2020-11-30 00:35:47,876 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2020-11-30 00:35:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:35:47,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 139 states and 241 transitions. [2020-11-30 00:35:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 241 transitions. [2020-11-30 00:35:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:35:47,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 141 states and 243 transitions. [2020-11-30 00:35:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 243 transitions. [2020-11-30 00:35:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 00:35:48,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:35:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 150 states and 261 transitions. [2020-11-30 00:35:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 261 transitions. [2020-11-30 00:35:48,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:35:48,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:35:50,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 153 states and 268 transitions. [2020-11-30 00:35:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 268 transitions. [2020-11-30 00:35:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:35:50,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:35:50,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 154 states and 271 transitions. [2020-11-30 00:35:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 271 transitions. [2020-11-30 00:35:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:35:50,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:35:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 161 states and 286 transitions. [2020-11-30 00:35:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 286 transitions. [2020-11-30 00:35:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:35:51,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:35:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:52,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 162 states and 286 transitions. [2020-11-30 00:35:52,590 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 286 transitions. [2020-11-30 00:35:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:35:52,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:35:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 170 states and 298 transitions. [2020-11-30 00:35:53,050 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 298 transitions. [2020-11-30 00:35:53,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:35:53,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:35:53,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 171 states and 300 transitions. [2020-11-30 00:35:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2020-11-30 00:35:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:35:53,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:53,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:35:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 172 states and 302 transitions. [2020-11-30 00:35:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 302 transitions. [2020-11-30 00:35:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 00:35:53,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:35:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 189 states and 344 transitions. [2020-11-30 00:35:55,677 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 344 transitions. [2020-11-30 00:35:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 00:35:55,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:35:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:55,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 190 states and 345 transitions. [2020-11-30 00:35:55,775 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 345 transitions. [2020-11-30 00:35:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 00:35:55,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:35:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:57,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 202 states and 375 transitions. [2020-11-30 00:35:57,662 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 375 transitions. [2020-11-30 00:35:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:35:57,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:35:57,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 205 states and 379 transitions. [2020-11-30 00:35:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 379 transitions. [2020-11-30 00:35:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:35:57,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:35:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 206 states and 380 transitions. [2020-11-30 00:35:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 380 transitions. [2020-11-30 00:35:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 00:35:57,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:57,880 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:35:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:57,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 207 states and 381 transitions. [2020-11-30 00:35:57,908 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 381 transitions. [2020-11-30 00:35:57,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-30 00:35:57,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:35:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:35:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 215 states and 397 transitions. [2020-11-30 00:35:58,587 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 397 transitions. [2020-11-30 00:35:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 00:35:58,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:35:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:58,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:36:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 223 states and 416 transitions. [2020-11-30 00:36:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 416 transitions. [2020-11-30 00:36:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 00:36:01,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:36:02,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 225 states and 420 transitions. [2020-11-30 00:36:02,166 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 420 transitions. [2020-11-30 00:36:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:36:02,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:36:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 228 states and 419 transitions. [2020-11-30 00:36:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 419 transitions. [2020-11-30 00:36:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 00:36:02,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:36:04,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 234 states and 433 transitions. [2020-11-30 00:36:04,327 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 433 transitions. [2020-11-30 00:36:04,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 00:36:04,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:36:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 235 states and 436 transitions. [2020-11-30 00:36:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 436 transitions. [2020-11-30 00:36:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:36:04,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:04,977 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:36:05,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 241 states and 445 transitions. [2020-11-30 00:36:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 445 transitions. [2020-11-30 00:36:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 00:36:05,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:05,231 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:36:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 242 states and 446 transitions. [2020-11-30 00:36:05,270 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 446 transitions. [2020-11-30 00:36:05,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 00:36:05,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:36:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 247 states and 454 transitions. [2020-11-30 00:36:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 454 transitions. [2020-11-30 00:36:05,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 00:36:05,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 00:36:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 248 states and 455 transitions. [2020-11-30 00:36:05,759 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 455 transitions. [2020-11-30 00:36:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:36:05,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:36:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 249 states and 458 transitions. [2020-11-30 00:36:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 458 transitions. [2020-11-30 00:36:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:36:06,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:36:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 250 states and 459 transitions. [2020-11-30 00:36:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 459 transitions. [2020-11-30 00:36:06,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 00:36:06,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:36:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:06,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 253 states and 464 transitions. [2020-11-30 00:36:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 464 transitions. [2020-11-30 00:36:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-30 00:36:06,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 00:36:06,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 256 states and 468 transitions. [2020-11-30 00:36:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 468 transitions. [2020-11-30 00:36:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 00:36:06,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 00:36:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 257 states and 469 transitions. [2020-11-30 00:36:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 469 transitions. [2020-11-30 00:36:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 00:36:06,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:36:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 260 states and 472 transitions. [2020-11-30 00:36:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 472 transitions. [2020-11-30 00:36:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-30 00:36:06,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 00:36:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 261 states and 473 transitions. [2020-11-30 00:36:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 473 transitions. [2020-11-30 00:36:06,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 00:36:06,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-30 00:36:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 102 states and 135 transitions. [2020-11-30 00:36:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 135 transitions. [2020-11-30 00:36:07,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:36:07,026 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2020-11-30 00:36:07,033 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:36:07,614 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,620 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,620 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,620 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-30 00:36:07,624 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,624 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-30 00:36:07,625 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,626 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,626 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,626 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,626 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,626 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-30 00:36:07,628 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:07,629 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-30 00:36:07,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:36:07 ImpRootNode [2020-11-30 00:36:07,630 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:36:07,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:36:07,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:36:07,631 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:36:07,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:41" (3/4) ... [2020-11-30 00:36:07,636 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:36:07,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 00:36:07,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 00:36:07,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 00:36:07,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 00:36:07,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 00:36:07,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 00:36:07,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 00:36:07,644 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-30 00:36:07,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-11-30 00:36:07,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-30 00:36:07,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 00:36:07,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:36:07,656 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:36:07,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:36:07,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:36:07,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-30 00:36:07,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-30 00:36:07,742 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f7e6d0cd-88dd-4659-83b8-38e58a5c87be/bin/ukojak/witness.graphml [2020-11-30 00:36:07,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:36:07,744 INFO L168 Benchmark]: Toolchain (without parser) took 28745.16 ms. Allocated memory was 90.2 MB in the beginning and 339.7 MB in the end (delta: 249.6 MB). Free memory was 58.5 MB in the beginning and 155.7 MB in the end (delta: -97.2 MB). Peak memory consumption was 152.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:07,745 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:36:07,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.72 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 58.5 MB in the beginning and 77.6 MB in the end (delta: -19.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:07,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.61 ms. Allocated memory is still 111.1 MB. Free memory was 77.6 MB in the beginning and 75.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:07,746 INFO L168 Benchmark]: Boogie Preprocessor took 72.89 ms. Allocated memory is still 111.1 MB. Free memory was 75.4 MB in the beginning and 73.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:07,747 INFO L168 Benchmark]: RCFGBuilder took 1636.86 ms. Allocated memory is still 111.1 MB. Free memory was 73.3 MB in the beginning and 63.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:07,747 INFO L168 Benchmark]: CodeCheck took 26174.31 ms. Allocated memory was 111.1 MB in the beginning and 339.7 MB in the end (delta: 228.6 MB). Free memory was 63.6 MB in the beginning and 162.0 MB in the end (delta: -98.5 MB). Peak memory consumption was 130.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:07,748 INFO L168 Benchmark]: Witness Printer took 111.14 ms. Allocated memory is still 339.7 MB. Free memory was 162.0 MB in the beginning and 155.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:07,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.5s, OverallIterations: 50, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1463970528 SDtfs, -696546552 SDslu, 776089524 SDs, 0 SdLazy, 1710129764 SolverSat, -409890104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22658 GetRequests, 22364 SyntacticMatches, 12 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34370 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2203 NumberOfCodeBlocks, 2203 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2154 ConstructedInterpolants, 0 QuantifiedInterpolants, 195720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 43 PerfectInterpolantSequences, 757/785 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: 815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: (!(0 == tmp) && !(pumpRunning == 0)) || methaneLevelCritical == tmp * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 49.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 656.72 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 58.5 MB in the beginning and 77.6 MB in the end (delta: -19.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.61 ms. Allocated memory is still 111.1 MB. Free memory was 77.6 MB in the beginning and 75.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.89 ms. Allocated memory is still 111.1 MB. Free memory was 75.4 MB in the beginning and 73.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1636.86 ms. Allocated memory is still 111.1 MB. Free memory was 73.3 MB in the beginning and 63.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. * CodeCheck took 26174.31 ms. Allocated memory was 111.1 MB in the beginning and 339.7 MB in the end (delta: 228.6 MB). Free memory was 63.6 MB in the beginning and 162.0 MB in the end (delta: -98.5 MB). Peak memory consumption was 130.9 MB. Max. memory is 16.1 GB. * Witness Printer took 111.14 ms. Allocated memory is still 339.7 MB. Free memory was 162.0 MB in the beginning and 155.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...