./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:52:24,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:52:24,193 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:52:24,201 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:52:24,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:52:24,202 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:52:24,203 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:52:24,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:52:24,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:52:24,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:52:24,206 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:52:24,206 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:52:24,207 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:52:24,207 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:52:24,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:52:24,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:52:24,209 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:52:24,210 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:52:24,212 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:52:24,213 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:52:24,214 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:52:24,214 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:52:24,216 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:52:24,216 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:52:24,216 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:52:24,217 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:52:24,218 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:52:24,218 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:52:24,219 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:52:24,220 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:52:24,220 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:52:24,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:52:24,221 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:52:24,221 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:52:24,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:52:24,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:52:24,222 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:52:24,232 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:52:24,232 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:52:24,232 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:52:24,232 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:52:24,233 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:52:24,233 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:52:24,233 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:52:24,234 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:52:24,234 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:52:24,234 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:52:24,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:52:24,234 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:52:24,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:52:24,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:52:24,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:52:24,234 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:52:24,234 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:52:24,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:52:24,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:52:24,235 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_2f712b04-1161-415d-afef-71e18c10fac4/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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2018-11-10 12:52:24,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:52:24,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:52:24,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:52:24,270 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:52:24,271 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:52:24,271 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-11-10 12:52:24,308 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/data/1aa92ec6d/40d8120af48f450eac4dc9d7162ac2f8/FLAG212793e2d [2018-11-10 12:52:24,734 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:52:24,735 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-11-10 12:52:24,742 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/data/1aa92ec6d/40d8120af48f450eac4dc9d7162ac2f8/FLAG212793e2d [2018-11-10 12:52:24,751 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/data/1aa92ec6d/40d8120af48f450eac4dc9d7162ac2f8 [2018-11-10 12:52:24,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:52:24,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:52:24,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:52:24,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:52:24,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:52:24,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:52:24" (1/1) ... [2018-11-10 12:52:24,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b52ac19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:24, skipping insertion in model container [2018-11-10 12:52:24,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:52:24" (1/1) ... [2018-11-10 12:52:24,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:52:24,794 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:52:24,969 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:52:24,977 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:52:25,028 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:52:25,046 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:52:25,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25 WrapperNode [2018-11-10 12:52:25,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:52:25,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:52:25,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:52:25,047 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:52:25,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... [2018-11-10 12:52:25,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... [2018-11-10 12:52:25,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:52:25,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:52:25,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:52:25,128 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:52:25,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... [2018-11-10 12:52:25,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... [2018-11-10 12:52:25,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... [2018-11-10 12:52:25,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... [2018-11-10 12:52:25,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... [2018-11-10 12:52:25,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... [2018-11-10 12:52:25,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... [2018-11-10 12:52:25,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:52:25,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:52:25,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:52:25,153 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:52:25,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:52:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/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 [2018-11-10 12:52:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:52:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 12:52:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 12:52:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:52:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:52:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:52:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:52:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:52:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:52:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:52:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:52:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 12:52:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 12:52:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:52:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:52:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:52:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:52:26,091 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:52:26,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:52:26 BoogieIcfgContainer [2018-11-10 12:52:26,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:52:26,092 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:52:26,092 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:52:26,099 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:52:26,099 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:52:26" (1/1) ... [2018-11-10 12:52:26,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:52:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-10 12:52:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-10 12:52:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 12:52:26,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:52:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2018-11-10 12:52:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2018-11-10 12:52:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 12:52:26,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:26,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:52:26,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2018-11-10 12:52:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2018-11-10 12:52:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:52:26,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:52:26,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2018-11-10 12:52:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2018-11-10 12:52:26,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:52:26,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:52:27,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 85 states and 124 transitions. [2018-11-10 12:52:27,071 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2018-11-10 12:52:27,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:52:27,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:52:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 101 states and 159 transitions. [2018-11-10 12:52:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2018-11-10 12:52:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:52:27,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:52:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 110 states and 178 transitions. [2018-11-10 12:52:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 178 transitions. [2018-11-10 12:52:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 12:52:28,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:52:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 112 states and 180 transitions. [2018-11-10 12:52:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-11-10 12:52:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 12:52:28,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:52:28,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 114 states and 182 transitions. [2018-11-10 12:52:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2018-11-10 12:52:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 12:52:28,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:52:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 120 states and 191 transitions. [2018-11-10 12:52:28,282 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 191 transitions. [2018-11-10 12:52:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 12:52:28,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:52:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 125 states and 201 transitions. [2018-11-10 12:52:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2018-11-10 12:52:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 12:52:28,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:52:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 126 states and 202 transitions. [2018-11-10 12:52:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 202 transitions. [2018-11-10 12:52:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 12:52:28,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:52:29,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:29,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 210 transitions. [2018-11-10 12:52:29,144 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2018-11-10 12:52:29,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 12:52:29,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:29,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:52:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 137 states and 223 transitions. [2018-11-10 12:52:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-11-10 12:52:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 12:52:29,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:52:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 240 transitions. [2018-11-10 12:52:29,873 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 240 transitions. [2018-11-10 12:52:29,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 12:52:29,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:29,898 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:52:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 142 states and 236 transitions. [2018-11-10 12:52:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 236 transitions. [2018-11-10 12:52:29,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:52:29,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 12:52:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:30,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 240 transitions. [2018-11-10 12:52:30,126 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 240 transitions. [2018-11-10 12:52:30,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:52:30,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:52:30,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:30,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 148 states and 245 transitions. [2018-11-10 12:52:30,317 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2018-11-10 12:52:30,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 12:52:30,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:52:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 161 states and 277 transitions. [2018-11-10 12:52:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 277 transitions. [2018-11-10 12:52:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:52:31,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:52:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 175 states and 306 transitions. [2018-11-10 12:52:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 306 transitions. [2018-11-10 12:52:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 12:52:32,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:32,226 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:52:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 176 states and 307 transitions. [2018-11-10 12:52:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 307 transitions. [2018-11-10 12:52:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 12:52:32,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:52:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 181 states and 312 transitions. [2018-11-10 12:52:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 312 transitions. [2018-11-10 12:52:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:52:32,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 12:52:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 185 states and 317 transitions. [2018-11-10 12:52:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 317 transitions. [2018-11-10 12:52:32,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 12:52:32,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 12:52:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 186 states and 318 transitions. [2018-11-10 12:52:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 318 transitions. [2018-11-10 12:52:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:52:32,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 12:52:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 190 states and 328 transitions. [2018-11-10 12:52:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 328 transitions. [2018-11-10 12:52:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:52:33,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 12:52:33,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:33,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 191 states and 329 transitions. [2018-11-10 12:52:33,474 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 329 transitions. [2018-11-10 12:52:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 12:52:33,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 12:52:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 189 states and 325 transitions. [2018-11-10 12:52:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 325 transitions. [2018-11-10 12:52:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:52:33,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 12:52:34,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 199 states and 339 transitions. [2018-11-10 12:52:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 339 transitions. [2018-11-10 12:52:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 12:52:34,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 12:52:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 200 states and 340 transitions. [2018-11-10 12:52:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 340 transitions. [2018-11-10 12:52:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 12:52:34,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:52:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 145 states and 217 transitions. [2018-11-10 12:52:35,360 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 217 transitions. [2018-11-10 12:52:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 12:52:35,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:52:35,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:35,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 147 states and 220 transitions. [2018-11-10 12:52:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 220 transitions. [2018-11-10 12:52:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:52:35,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:52:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 148 states and 221 transitions. [2018-11-10 12:52:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2018-11-10 12:52:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 12:52:35,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:52:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:52:35,525 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:52:35,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:52:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 59 states and 71 transitions. [2018-11-10 12:52:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-11-10 12:52:35,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:52:35,551 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2018-11-10 12:52:35,560 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:52:35,814 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,817 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,817 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,817 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 12:52:35,821 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,821 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,822 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 12:52:35,822 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,822 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,822 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,823 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,823 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 12:52:35,823 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,823 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,824 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:52:35,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:52:35 ImpRootNode [2018-11-10 12:52:35,824 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:52:35,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:52:35,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:52:35,825 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:52:35,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:52:26" (3/4) ... [2018-11-10 12:52:35,829 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:52:35,834 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:52:35,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 12:52:35,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:52:35,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:52:35,835 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:52:35,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 12:52:35,836 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 12:52:35,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-10 12:52:35,842 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 12:52:35,842 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 12:52:35,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 [2018-11-10 12:52:35,917 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f712b04-1161-415d-afef-71e18c10fac4/bin-2019/ukojak/witness.graphml [2018-11-10 12:52:35,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:52:35,918 INFO L168 Benchmark]: Toolchain (without parser) took 11165.04 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 459.3 MB). Free memory was 960.3 MB in the beginning and 1.4 GB in the end (delta: -482.2 MB). Peak memory consumption was 503.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:52:35,919 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:52:35,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.77 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:52:35,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -217.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:52:35,920 INFO L168 Benchmark]: Boogie Preprocessor took 24.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:52:35,920 INFO L168 Benchmark]: RCFGBuilder took 938.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:52:35,920 INFO L168 Benchmark]: CodeCheck took 9732.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 215.0 MB). Free memory was 1.0 GB in the beginning and 832.7 MB in the end (delta: 215.9 MB). Peak memory consumption was 430.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:52:35,921 INFO L168 Benchmark]: Witness Printer took 92.86 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 84.4 MB). Free memory was 832.7 MB in the beginning and 1.4 GB in the end (delta: -609.8 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:52:35,923 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 8 procedures, 117 locations, 1 error locations. SAFE Result, 9.4s OverallTime, 33 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1091663004 SDtfs, -1429499588 SDslu, 664979100 SDs, 0 SdLazy, -674651076 SolverSat, 1195796196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14249 GetRequests, 13902 SyntacticMatches, 109 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25706 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1463 NumberOfCodeBlocks, 1463 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1431 ConstructedInterpolants, 0 QuantifiedInterpolants, 139689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 22 PerfectInterpolantSequences, 520/564 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 - PositiveResult [Line: 130]: 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: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.77 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -217.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 938.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 11.5 GB. * CodeCheck took 9732.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 215.0 MB). Free memory was 1.0 GB in the beginning and 832.7 MB in the end (delta: 215.9 MB). Peak memory consumption was 430.9 MB. Max. memory is 11.5 GB. * Witness Printer took 92.86 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 84.4 MB). Free memory was 832.7 MB in the beginning and 1.4 GB in the end (delta: -609.8 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...