./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/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 5eed478f48f8cf940c15b323900b8556a7a21390 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:13:54,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:13:54,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:13:54,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:13:54,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:13:54,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:13:54,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:13:54,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:13:54,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:13:54,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:13:54,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:13:54,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:13:54,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:13:54,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:13:54,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:13:54,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:13:54,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:13:54,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:13:54,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:13:54,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:13:54,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:13:54,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:13:54,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:13:54,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:13:54,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:13:54,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:13:54,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:13:54,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:13:54,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:13:54,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:13:54,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:13:54,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:13:54,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:13:54,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:13:54,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:13:54,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:13:54,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:13:54,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:13:54,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:13:54,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:13:54,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:13:54,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:13:54,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:13:54,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:13:54,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:13:54,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:13:54,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:13:54,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:13:54,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:13:54,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:13:54,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:13:54,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:13:54,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:13:54,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:13:54,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:13:54,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:13:54,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:13:54,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:13:54,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:13:54,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:13:54,319 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:13:54,319 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:13:54,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:13:54,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:13:54,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:13:54,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:13:54,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:13:54,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:13:54,321 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:13:54,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:13:54,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:13:54,322 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_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eed478f48f8cf940c15b323900b8556a7a21390 [2020-12-01 16:13:54,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:13:54,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:13:54,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:13:54,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:13:54,608 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:13:54,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-12-01 16:13:54,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/data/91df4bf46/0856d5541d78477db7a42be91ec50d02/FLAG5f078ba39 [2020-12-01 16:13:55,200 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:13:55,200 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-12-01 16:13:55,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/data/91df4bf46/0856d5541d78477db7a42be91ec50d02/FLAG5f078ba39 [2020-12-01 16:13:55,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/data/91df4bf46/0856d5541d78477db7a42be91ec50d02 [2020-12-01 16:13:55,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:13:55,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:13:55,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:55,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:13:55,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:13:55,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:55,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29738c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:55, skipping insertion in model container [2020-12-01 16:13:55,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:55" (1/1) ... [2020-12-01 16:13:55,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:13:55,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:13:56,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:56,060 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:13:56,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:56,187 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:13:56,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56 WrapperNode [2020-12-01 16:13:56,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:56,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:56,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:13:56,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:13:56,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... [2020-12-01 16:13:56,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... [2020-12-01 16:13:56,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:56,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:13:56,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:13:56,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:13:56,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... [2020-12-01 16:13:56,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... [2020-12-01 16:13:56,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... [2020-12-01 16:13:56,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... [2020-12-01 16:13:56,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... [2020-12-01 16:13:56,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... [2020-12-01 16:13:56,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... [2020-12-01 16:13:56,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:13:56,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:13:56,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:13:56,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:13:56,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:13:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:13:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:13:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:13:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:13:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:13:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:13:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:13:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:13:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:13:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:13:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:13:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:13:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:13:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:13:57,676 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:13:57,677 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 16:13:57,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:57 BoogieIcfgContainer [2020-12-01 16:13:57,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:13:57,680 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:13:57,680 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:13:57,690 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:13:57,691 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:57" (1/1) ... [2020-12-01 16:13:57,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:13:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2020-12-01 16:13:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-12-01 16:13:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:13:57,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:58,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2020-12-01 16:13:58,041 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2020-12-01 16:13:58,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:13:58,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2020-12-01 16:13:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2020-12-01 16:13:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:13:58,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 53 states and 74 transitions. [2020-12-01 16:13:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2020-12-01 16:13:58,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:13:58,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2020-12-01 16:13:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2020-12-01 16:13:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:13:59,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:59,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:59,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2020-12-01 16:13:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2020-12-01 16:13:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:13:59,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:00,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 82 states and 139 transitions. [2020-12-01 16:14:00,732 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 139 transitions. [2020-12-01 16:14:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:14:00,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:00,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:00,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 140 transitions. [2020-12-01 16:14:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 140 transitions. [2020-12-01 16:14:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:14:00,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:00,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 89 states and 149 transitions. [2020-12-01 16:14:01,170 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2020-12-01 16:14:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:14:01,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:14:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 95 states and 166 transitions. [2020-12-01 16:14:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2020-12-01 16:14:01,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:14:01,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:14:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 173 transitions. [2020-12-01 16:14:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 173 transitions. [2020-12-01 16:14:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:14:01,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:14:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 100 states and 175 transitions. [2020-12-01 16:14:01,763 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 175 transitions. [2020-12-01 16:14:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:14:01,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:14:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 102 states and 178 transitions. [2020-12-01 16:14:01,912 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2020-12-01 16:14:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:14:01,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:14:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 180 transitions. [2020-12-01 16:14:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2020-12-01 16:14:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:14:02,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 193 transitions. [2020-12-01 16:14:02,151 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 193 transitions. [2020-12-01 16:14:02,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:14:02,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 110 states and 194 transitions. [2020-12-01 16:14:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 194 transitions. [2020-12-01 16:14:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:14:02,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:14:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 114 states and 209 transitions. [2020-12-01 16:14:03,201 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 209 transitions. [2020-12-01 16:14:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:14:03,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:14:03,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 116 states and 213 transitions. [2020-12-01 16:14:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 213 transitions. [2020-12-01 16:14:03,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:14:03,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 121 states and 227 transitions. [2020-12-01 16:14:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 227 transitions. [2020-12-01 16:14:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:14:05,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:06,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 231 transitions. [2020-12-01 16:14:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 231 transitions. [2020-12-01 16:14:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:14:06,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:14:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 123 states and 230 transitions. [2020-12-01 16:14:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 230 transitions. [2020-12-01 16:14:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:14:06,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:07,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 127 states and 239 transitions. [2020-12-01 16:14:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 239 transitions. [2020-12-01 16:14:09,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:14:09,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:14:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:09,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 128 states and 238 transitions. [2020-12-01 16:14:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2020-12-01 16:14:09,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:14:09,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 16:14:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:09,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 129 states and 238 transitions. [2020-12-01 16:14:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 238 transitions. [2020-12-01 16:14:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:14:09,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:14:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:10,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 131 states and 249 transitions. [2020-12-01 16:14:10,045 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 249 transitions. [2020-12-01 16:14:10,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:14:10,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:14:10,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 131 states and 248 transitions. [2020-12-01 16:14:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 248 transitions. [2020-12-01 16:14:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:14:10,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:10,455 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:14:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:10,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 133 states and 248 transitions. [2020-12-01 16:14:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 248 transitions. [2020-12-01 16:14:10,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:14:10,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:14:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:11,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 137 states and 256 transitions. [2020-12-01 16:14:11,123 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2020-12-01 16:14:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:14:11,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 16:14:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 138 states and 258 transitions. [2020-12-01 16:14:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 258 transitions. [2020-12-01 16:14:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:14:11,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:11,519 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 16:14:12,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 54 states and 76 transitions. [2020-12-01 16:14:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2020-12-01 16:14:12,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:14:12,003 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2020-12-01 16:14:12,009 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:14:12,338 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-12-01 16:14:12,355 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:12,355 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:12,356 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:12,356 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:12,357 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 16:14:12,359 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:12,359 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:12,360 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2020-12-01 16:14:12,362 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:12,363 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:12,363 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 16:14:12,364 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:12,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:14:12 ImpRootNode [2020-12-01 16:14:12,364 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:14:12,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:14:12,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:14:12,365 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:14:12,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:57" (3/4) ... [2020-12-01 16:14:12,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:14:12,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:14:12,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:14:12,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:14:12,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:14:12,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:14:12,388 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 16:14:12,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:14:12,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:14:12,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:14:12,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:14:12,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:14:12,392 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:14:12,420 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive [2020-12-01 16:14:12,421 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0) [2020-12-01 16:14:12,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(waterLevel) == tmp) || \old(waterLevel) == waterLevel) || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == systemActive [2020-12-01 16:14:12,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c74d51f-bcb5-4680-be9c-bff4ee0e0d4f/bin/ukojak/witness.graphml [2020-12-01 16:14:12,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:14:12,478 INFO L168 Benchmark]: Toolchain (without parser) took 16955.30 ms. Allocated memory was 83.9 MB in the beginning and 264.2 MB in the end (delta: 180.4 MB). Free memory was 53.1 MB in the beginning and 117.8 MB in the end (delta: -64.7 MB). Peak memory consumption was 116.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:12,478 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 55.0 MB in the beginning and 55.0 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:14:12,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.09 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 52.9 MB in the beginning and 68.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:12,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.77 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 66.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:12,480 INFO L168 Benchmark]: Boogie Preprocessor took 33.84 ms. Allocated memory is still 100.7 MB. Free memory was 66.3 MB in the beginning and 64.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:12,480 INFO L168 Benchmark]: RCFGBuilder took 1395.59 ms. Allocated memory is still 100.7 MB. Free memory was 64.7 MB in the beginning and 75.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:12,480 INFO L168 Benchmark]: CodeCheck took 14684.36 ms. Allocated memory was 100.7 MB in the beginning and 264.2 MB in the end (delta: 163.6 MB). Free memory was 75.6 MB in the beginning and 123.1 MB in the end (delta: -47.5 MB). Peak memory consumption was 114.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:12,481 INFO L168 Benchmark]: Witness Printer took 111.38 ms. Allocated memory is still 264.2 MB. Free memory was 123.1 MB in the beginning and 117.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:12,483 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 6 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 30, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1571616064 SDtfs, 70472880 SDslu, -586097752 SDs, 0 SdLazy, 54960420 SolverSat, -1526293960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10644 GetRequests, 10291 SyntacticMatches, 127 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25458 ImplicationChecksByTransitivity, 10.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 990 NumberOfCodeBlocks, 990 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 131446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 19 PerfectInterpolantSequences, 358/427 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: 129]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == tmp) || \old(waterLevel) == waterLevel) || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 55.0 MB in the beginning and 55.0 MB in the end (delta: 25.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.09 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 52.9 MB in the beginning and 68.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.77 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 66.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.84 ms. Allocated memory is still 100.7 MB. Free memory was 66.3 MB in the beginning and 64.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1395.59 ms. Allocated memory is still 100.7 MB. Free memory was 64.7 MB in the beginning and 75.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. * CodeCheck took 14684.36 ms. Allocated memory was 100.7 MB in the beginning and 264.2 MB in the end (delta: 163.6 MB). Free memory was 75.6 MB in the beginning and 123.1 MB in the end (delta: -47.5 MB). Peak memory consumption was 114.7 MB. Max. memory is 16.1 GB. * Witness Printer took 111.38 ms. Allocated memory is still 264.2 MB. Free memory was 123.1 MB in the beginning and 117.8 MB in the end (delta: 5.2 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...