./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 49fa497f38e3a46185ee804b3f30fdc119cb200c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:00:17,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:00:17,517 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:00:17,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:00:17,525 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:00:17,525 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:00:17,526 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:00:17,526 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:00:17,527 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:00:17,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:00:17,528 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:00:17,528 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:00:17,528 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:00:17,529 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:00:17,529 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:00:17,530 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:00:17,530 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:00:17,531 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:00:17,532 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:00:17,532 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:00:17,533 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:00:17,534 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:00:17,535 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:00:17,536 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:00:17,536 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:00:17,536 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:00:17,537 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:00:17,537 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:00:17,538 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:00:17,538 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:00:17,538 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:00:17,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:00:17,539 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:00:17,539 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:00:17,540 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:00:17,540 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:00:17,541 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 17:00:17,548 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:00:17,548 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:00:17,549 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:00:17,549 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:00:17,549 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:00:17,549 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:00:17,550 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:00:17,550 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:00:17,550 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:00:17,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:00:17,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:00:17,550 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:00:17,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:00:17,551 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:00:17,551 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:00:17,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:00:17,551 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:00:17,551 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:00:17,551 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:00:17,552 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:00:17,552 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:00:17,552 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:00:17,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:00:17,552 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:00:17,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:00:17,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:00:17,553 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:00:17,553 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:00:17,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:00:17,553 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/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(__VERIFIER_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 -> 49fa497f38e3a46185ee804b3f30fdc119cb200c [2018-12-08 17:00:17,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:00:17,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:00:17,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:00:17,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:00:17,589 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:00:17,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-08 17:00:17,631 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/data/9c8a0ccf6/d5052bdd69234d85a76b81ba0505022c/FLAG05d3fa8e5 [2018-12-08 17:00:17,941 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:00:17,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-08 17:00:17,948 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/data/9c8a0ccf6/d5052bdd69234d85a76b81ba0505022c/FLAG05d3fa8e5 [2018-12-08 17:00:17,956 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/data/9c8a0ccf6/d5052bdd69234d85a76b81ba0505022c [2018-12-08 17:00:17,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:00:17,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:00:17,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:00:17,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:00:17,961 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:00:17,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:00:17" (1/1) ... [2018-12-08 17:00:17,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:17, skipping insertion in model container [2018-12-08 17:00:17,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:00:17" (1/1) ... [2018-12-08 17:00:17,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:00:17,988 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:00:18,130 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:00:18,170 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:00:18,223 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:00:18,237 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:00:18,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18 WrapperNode [2018-12-08 17:00:18,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:00:18,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:00:18,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:00:18,238 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:00:18,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:00:18,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:00:18,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:00:18,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:00:18,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:00:18,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:00:18,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:00:18,284 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:00:18,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:00:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/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 [2018-12-08 17:00:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:00:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 17:00:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 17:00:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 17:00:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 17:00:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 17:00:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 17:00:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 17:00:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 17:00:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 17:00:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 17:00:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 17:00:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 17:00:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 17:00:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:00:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:00:18,763 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:00:18,764 INFO L280 CfgBuilder]: Removed 42 assue(true) statements. [2018-12-08 17:00:18,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:00:18 BoogieIcfgContainer [2018-12-08 17:00:18,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:00:18,764 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:00:18,764 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:00:18,771 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:00:18,771 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:00:18" (1/1) ... [2018-12-08 17:00:18,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:00:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-08 17:00:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-08 17:00:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 17:00:18,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-08 17:00:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-08 17:00:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:00:18,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-08 17:00:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-08 17:00:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 17:00:18,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2018-12-08 17:00:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2018-12-08 17:00:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 17:00:19,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2018-12-08 17:00:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-12-08 17:00:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 17:00:19,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2018-12-08 17:00:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2018-12-08 17:00:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 17:00:19,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2018-12-08 17:00:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2018-12-08 17:00:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:00:19,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:19,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 83 states and 130 transitions. [2018-12-08 17:00:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 130 transitions. [2018-12-08 17:00:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 17:00:19,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:20,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 94 states and 154 transitions. [2018-12-08 17:00:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 154 transitions. [2018-12-08 17:00:20,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 17:00:20,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 186 transitions. [2018-12-08 17:00:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2018-12-08 17:00:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 17:00:21,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 199 transitions. [2018-12-08 17:00:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 199 transitions. [2018-12-08 17:00:21,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 17:00:21,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:21,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 116 states and 204 transitions. [2018-12-08 17:00:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 204 transitions. [2018-12-08 17:00:21,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 17:00:21,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:21,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 117 states and 205 transitions. [2018-12-08 17:00:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 205 transitions. [2018-12-08 17:00:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:00:21,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:00:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 206 transitions. [2018-12-08 17:00:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 206 transitions. [2018-12-08 17:00:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 17:00:21,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:22,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 124 states and 226 transitions. [2018-12-08 17:00:22,302 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 226 transitions. [2018-12-08 17:00:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 17:00:22,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:22,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 124 states and 225 transitions. [2018-12-08 17:00:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 225 transitions. [2018-12-08 17:00:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 17:00:22,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:22,529 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:00:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 127 states and 233 transitions. [2018-12-08 17:00:22,992 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 233 transitions. [2018-12-08 17:00:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 17:00:22,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:23,008 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 130 states and 240 transitions. [2018-12-08 17:00:23,278 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 240 transitions. [2018-12-08 17:00:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 17:00:23,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:23,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:00:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 132 states and 241 transitions. [2018-12-08 17:00:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 241 transitions. [2018-12-08 17:00:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 17:00:23,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:23,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 136 states and 249 transitions. [2018-12-08 17:00:23,617 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 249 transitions. [2018-12-08 17:00:23,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 17:00:23,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:23,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 252 transitions. [2018-12-08 17:00:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 252 transitions. [2018-12-08 17:00:23,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 17:00:23,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:23,668 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 17:00:23,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 138 states and 253 transitions. [2018-12-08 17:00:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 253 transitions. [2018-12-08 17:00:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 17:00:23,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 145 states and 272 transitions. [2018-12-08 17:00:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 272 transitions. [2018-12-08 17:00:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 17:00:23,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:24,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 147 states and 273 transitions. [2018-12-08 17:00:24,038 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 273 transitions. [2018-12-08 17:00:24,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 17:00:24,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 148 states and 274 transitions. [2018-12-08 17:00:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 274 transitions. [2018-12-08 17:00:24,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 17:00:24,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:24,344 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 161 states and 308 transitions. [2018-12-08 17:00:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 308 transitions. [2018-12-08 17:00:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 17:00:28,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 162 states and 309 transitions. [2018-12-08 17:00:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 309 transitions. [2018-12-08 17:00:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 17:00:28,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 176 states and 346 transitions. [2018-12-08 17:00:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 346 transitions. [2018-12-08 17:00:30,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 17:00:30,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 17:00:31,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:31,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 181 states and 348 transitions. [2018-12-08 17:00:31,463 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 348 transitions. [2018-12-08 17:00:31,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 17:00:31,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:31,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:31,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 185 states and 358 transitions. [2018-12-08 17:00:31,838 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 358 transitions. [2018-12-08 17:00:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 17:00:31,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 190 states and 370 transitions. [2018-12-08 17:00:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 370 transitions. [2018-12-08 17:00:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 17:00:32,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 192 states and 371 transitions. [2018-12-08 17:00:32,438 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 371 transitions. [2018-12-08 17:00:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 17:00:32,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 17:00:33,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 194 states and 374 transitions. [2018-12-08 17:00:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 374 transitions. [2018-12-08 17:00:33,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 17:00:33,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:00:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:00:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:00:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 210 states and 416 transitions. [2018-12-08 17:00:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 416 transitions. [2018-12-08 17:00:38,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 17:00:38,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:00:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:00:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:00:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:00:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:00:38,755 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 34 iterations. [2018-12-08 17:00:38,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:00:38 ImpRootNode [2018-12-08 17:00:38,834 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:00:38,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:00:38,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:00:38,835 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:00:38,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:00:18" (3/4) ... [2018-12-08 17:00:38,837 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 17:00:38,891 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0de68033-809c-4017-bc97-a07fb67e6a35/bin-2019/ukojak/witness.graphml [2018-12-08 17:00:38,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:00:38,891 INFO L168 Benchmark]: Toolchain (without parser) took 20933.06 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 393.2 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -58.2 MB). Peak memory consumption was 335.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:00:38,892 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:00:38,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:00:38,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:00:38,892 INFO L168 Benchmark]: Boogie Preprocessor took 16.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:00:38,893 INFO L168 Benchmark]: RCFGBuilder took 480.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:00:38,893 INFO L168 Benchmark]: CodeCheck took 20070.12 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 281.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -9.3 MB). Peak memory consumption was 271.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:00:38,893 INFO L168 Benchmark]: Witness Printer took 56.13 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:00:38,894 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 70 locations, 1 error locations. UNSAFE Result, 19.9s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2064849292 SDtfs, 926762664 SDslu, 241106632 SDs, 0 SdLazy, -467615066 SolverSat, -1265232958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12446 GetRequests, 11990 SyntacticMatches, 68 SemanticMatches, 388 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77695 ImplicationChecksByTransitivity, 17.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1206 NumberOfCodeBlocks, 1206 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1122 ConstructedInterpolants, 0 QuantifiedInterpolants, 95834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 29 PerfectInterpolantSequences, 297/309 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 900]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L545] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L905] int methAndRunningLastTime ; [L623] int retValue_acc ; [L624] int tmp ; [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L910] methAndRunningLastTime = 0 [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L849] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L849] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L859] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) [L688] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning [L785] int retValue_acc ; [L786] int tmp ; [L787] int tmp___0 ; [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L791] tmp = isHighWaterSensorDry() [L793] COND FALSE !(\read(tmp)) [L796] tmp___0 = 1 [L798] retValue_acc = tmp___0 [L799] return (retValue_acc); [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) [L716] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L927] COND FALSE !(\read(methAndRunningLastTime)) [L932] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L837] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND TRUE \read(tmp___2) [L822] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) [L688] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L927] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L900] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 480.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. * CodeCheck took 20070.12 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 281.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -9.3 MB). Peak memory consumption was 271.7 MB. Max. memory is 11.5 GB. * Witness Printer took 56.13 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...