./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/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 062932e2a77eaa56a60a5c6bf9705187ac9d312a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:27:48,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:27:48,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:27:48,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:27:48,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:27:48,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:27:48,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:27:48,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:27:48,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:27:48,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:27:48,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:27:48,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:27:48,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:27:48,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:27:48,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:27:48,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:27:48,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:27:48,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:27:48,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:27:48,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:27:48,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:27:48,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:27:48,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:27:48,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:27:48,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:27:48,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:27:48,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:27:48,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:27:48,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:27:48,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:27:48,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:27:48,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:27:48,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:27:48,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:27:48,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:27:48,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:27:48,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:27:48,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:27:48,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:27:48,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:27:48,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:27:48,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:27:48,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:27:48,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:27:48,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:27:48,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:27:48,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:27:48,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:27:48,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:27:48,535 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:27:48,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:27:48,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:27:48,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:27:48,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:27:48,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:27:48,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:27:48,539 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:27:48,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:27:48,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:27:48,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:27:48,541 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:27:48,542 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:27:48,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:27:48,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:27:48,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:27:48,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:27:48,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:27:48,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:27:48,544 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:27:48,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:27:48,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:27:48,545 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_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062932e2a77eaa56a60a5c6bf9705187ac9d312a [2020-12-01 18:27:49,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:27:49,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:27:49,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:27:49,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:27:49,094 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:27:49,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-12-01 18:27:49,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/data/43cb145a8/36eacc2cb6ef441087ac3890e169e730/FLAGb4149183b [2020-12-01 18:27:50,131 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:27:50,132 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2020-12-01 18:27:50,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/data/43cb145a8/36eacc2cb6ef441087ac3890e169e730/FLAGb4149183b [2020-12-01 18:27:50,365 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/data/43cb145a8/36eacc2cb6ef441087ac3890e169e730 [2020-12-01 18:27:50,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:27:50,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:27:50,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:27:50,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:27:50,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:27:50,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:27:50" (1/1) ... [2020-12-01 18:27:50,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88ba0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:50, skipping insertion in model container [2020-12-01 18:27:50,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:27:50" (1/1) ... [2020-12-01 18:27:50,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:27:50,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:27:51,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:27:51,128 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:27:51,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:27:51,322 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:27:51,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51 WrapperNode [2020-12-01 18:27:51,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:27:51,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:27:51,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:27:51,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:27:51,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... [2020-12-01 18:27:51,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... [2020-12-01 18:27:51,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:27:51,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:27:51,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:27:51,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:27:51,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... [2020-12-01 18:27:51,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... [2020-12-01 18:27:51,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... [2020-12-01 18:27:51,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... [2020-12-01 18:27:51,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... [2020-12-01 18:27:51,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... [2020-12-01 18:27:51,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... [2020-12-01 18:27:51,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:27:51,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:27:51,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:27:51,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:27:51,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/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 18:27:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:27:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 18:27:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 18:27:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:27:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:27:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:27:51,699 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:27:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:27:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:27:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:27:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:27:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 18:27:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 18:27:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 18:27:51,701 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 18:27:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:27:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:27:51,702 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:27:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:27:51,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:27:54,337 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:27:54,337 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 18:27:54,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:27:54 BoogieIcfgContainer [2020-12-01 18:27:54,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:27:54,346 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:27:54,346 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:27:54,363 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:27:54,363 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:27:54" (1/1) ... [2020-12-01 18:27:54,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:27:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:54,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2020-12-01 18:27:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2020-12-01 18:27:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:27:54,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:54,867 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 18:27:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2020-12-01 18:27:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2020-12-01 18:27:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:27:54,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:55,151 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 18:27:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2020-12-01 18:27:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2020-12-01 18:27:55,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:27:55,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:55,411 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 18:27:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2020-12-01 18:27:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2020-12-01 18:27:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:27:55,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:56,158 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 18:27:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2020-12-01 18:27:56,987 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2020-12-01 18:27:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:27:56,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:57,240 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 18:27:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:59,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 100 states and 166 transitions. [2020-12-01 18:27:59,290 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2020-12-01 18:27:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:27:59,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:59,375 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 18:27:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2020-12-01 18:27:59,565 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2020-12-01 18:27:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:27:59,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:59,705 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 18:27:59,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 187 transitions. [2020-12-01 18:27:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 187 transitions. [2020-12-01 18:27:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:27:59,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 196 transitions. [2020-12-01 18:28:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2020-12-01 18:28:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:28:00,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2020-12-01 18:28:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2020-12-01 18:28:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:28:00,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:00,592 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 18:28:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 122 states and 214 transitions. [2020-12-01 18:28:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 214 transitions. [2020-12-01 18:28:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:28:01,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:01,196 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 18:28:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 124 states and 219 transitions. [2020-12-01 18:28:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2020-12-01 18:28:01,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:28:01,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:01,779 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 18:28:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 122 states and 213 transitions. [2020-12-01 18:28:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 213 transitions. [2020-12-01 18:28:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:28:01,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:01,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 213 transitions. [2020-12-01 18:28:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 213 transitions. [2020-12-01 18:28:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:28:01,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:28:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 227 transitions. [2020-12-01 18:28:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2020-12-01 18:28:04,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:28:04,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 136 states and 247 transitions. [2020-12-01 18:28:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 247 transitions. [2020-12-01 18:28:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:28:05,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:28:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 141 states and 257 transitions. [2020-12-01 18:28:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 257 transitions. [2020-12-01 18:28:05,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:28:05,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:28:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 258 transitions. [2020-12-01 18:28:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 258 transitions. [2020-12-01 18:28:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:28:05,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:28:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 145 states and 265 transitions. [2020-12-01 18:28:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 265 transitions. [2020-12-01 18:28:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:28:06,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:28:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 148 states and 269 transitions. [2020-12-01 18:28:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 269 transitions. [2020-12-01 18:28:06,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 18:28:06,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:07,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:07,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 149 states and 269 transitions. [2020-12-01 18:28:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 269 transitions. [2020-12-01 18:28:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:28:07,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:28:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 155 states and 294 transitions. [2020-12-01 18:28:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 294 transitions. [2020-12-01 18:28:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:28:09,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:28:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 157 states and 301 transitions. [2020-12-01 18:28:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 301 transitions. [2020-12-01 18:28:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:28:10,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:28:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 161 states and 311 transitions. [2020-12-01 18:28:11,440 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 311 transitions. [2020-12-01 18:28:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:28:11,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:28:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 162 states and 313 transitions. [2020-12-01 18:28:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 313 transitions. [2020-12-01 18:28:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:28:11,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:12,021 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:28:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 162 states and 311 transitions. [2020-12-01 18:28:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 311 transitions. [2020-12-01 18:28:12,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:28:12,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:28:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 164 states and 317 transitions. [2020-12-01 18:28:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 317 transitions. [2020-12-01 18:28:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:28:13,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:28:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 314 transitions. [2020-12-01 18:28:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 314 transitions. [2020-12-01 18:28:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:28:14,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:28:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 164 states and 309 transitions. [2020-12-01 18:28:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 309 transitions. [2020-12-01 18:28:15,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:28:15,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:28:16,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 168 states and 317 transitions. [2020-12-01 18:28:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 317 transitions. [2020-12-01 18:28:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:28:16,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:28:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 169 states and 318 transitions. [2020-12-01 18:28:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 318 transitions. [2020-12-01 18:28:16,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 18:28:16,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:28:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 172 states and 324 transitions. [2020-12-01 18:28:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 324 transitions. [2020-12-01 18:28:17,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 18:28:17,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 18:28:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 175 states and 329 transitions. [2020-12-01 18:28:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 329 transitions. [2020-12-01 18:28:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 18:28:17,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 18:28:17,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 176 states and 330 transitions. [2020-12-01 18:28:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 330 transitions. [2020-12-01 18:28:17,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 18:28:17,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 18:28:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 83 states and 110 transitions. [2020-12-01 18:28:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2020-12-01 18:28:17,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:28:17,443 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2020-12-01 18:28:17,456 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:28:18,171 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,180 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,181 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,181 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2020-12-01 18:28:18,203 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,206 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 18:28:18,207 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,208 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,208 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,208 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,208 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 18:28:18,209 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,213 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 18:28:18,214 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:18,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:28:18 ImpRootNode [2020-12-01 18:28:18,217 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:28:18,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:28:18,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:28:18,219 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:28:18,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:27:54" (3/4) ... [2020-12-01 18:28:18,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:28:18,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 18:28:18,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 18:28:18,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 18:28:18,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 18:28:18,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 18:28:18,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 18:28:18,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 18:28:18,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 18:28:18,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2020-12-01 18:28:18,267 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 18:28:18,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:28:18,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 18:28:18,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:28:18,271 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:28:18,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:28:18,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || 0 == systemActive) || pumpRunning == \old(pumpRunning) [2020-12-01 18:28:18,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 18:28:18,418 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8d6171b8-bd7b-4c87-90a9-69c59e9214d2/bin/ukojak/witness.graphml [2020-12-01 18:28:18,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:28:18,424 INFO L168 Benchmark]: Toolchain (without parser) took 28050.53 ms. Allocated memory was 86.0 MB in the beginning and 272.6 MB in the end (delta: 186.6 MB). Free memory was 56.7 MB in the beginning and 133.5 MB in the end (delta: -76.8 MB). Peak memory consumption was 109.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:18,425 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 86.0 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:28:18,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.00 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 56.5 MB in the beginning and 73.0 MB in the end (delta: -16.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:18,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.78 ms. Allocated memory is still 107.0 MB. Free memory was 73.0 MB in the beginning and 70.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:18,428 INFO L168 Benchmark]: Boogie Preprocessor took 58.25 ms. Allocated memory is still 107.0 MB. Free memory was 70.6 MB in the beginning and 68.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:18,428 INFO L168 Benchmark]: RCFGBuilder took 2781.71 ms. Allocated memory is still 107.0 MB. Free memory was 68.6 MB in the beginning and 54.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:18,429 INFO L168 Benchmark]: CodeCheck took 23871.60 ms. Allocated memory was 107.0 MB in the beginning and 272.6 MB in the end (delta: 165.7 MB). Free memory was 54.7 MB in the beginning and 139.7 MB in the end (delta: -85.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:18,430 INFO L168 Benchmark]: Witness Printer took 203.73 ms. Allocated memory is still 272.6 MB. Free memory was 139.7 MB in the beginning and 133.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:18,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.0s, OverallIterations: 35, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1536481020 SDtfs, 1435051036 SDslu, -1803702596 SDs, 0 SdLazy, 133276588 SolverSat, 1116846452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15969 GetRequests, 15740 SyntacticMatches, 13 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18898 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1534 NumberOfCodeBlocks, 1534 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1500 ConstructedInterpolants, 0 QuantifiedInterpolants, 142826 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 25 PerfectInterpolantSequences, 458/484 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: 718]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || methaneLevelCritical == tmp - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || 0 == systemActive) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 86.0 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 945.00 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 56.5 MB in the beginning and 73.0 MB in the end (delta: -16.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 174.78 ms. Allocated memory is still 107.0 MB. Free memory was 73.0 MB in the beginning and 70.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.25 ms. Allocated memory is still 107.0 MB. Free memory was 70.6 MB in the beginning and 68.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2781.71 ms. Allocated memory is still 107.0 MB. Free memory was 68.6 MB in the beginning and 54.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * CodeCheck took 23871.60 ms. Allocated memory was 107.0 MB in the beginning and 272.6 MB in the end (delta: 165.7 MB). Free memory was 54.7 MB in the beginning and 139.7 MB in the end (delta: -85.1 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. * Witness Printer took 203.73 ms. Allocated memory is still 272.6 MB. Free memory was 139.7 MB in the beginning and 133.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...