./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/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 2ad80e2d7767134fb761a45d54a404219df99a16 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 19:17:24,176 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 19:17:24,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 19:17:24,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 19:17:24,189 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 19:17:24,191 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 19:17:24,193 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 19:17:24,195 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 19:17:24,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 19:17:24,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 19:17:24,201 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 19:17:24,202 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 19:17:24,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 19:17:24,205 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 19:17:24,215 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 19:17:24,215 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 19:17:24,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 19:17:24,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 19:17:24,218 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 19:17:24,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 19:17:24,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 19:17:24,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 19:17:24,226 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 19:17:24,226 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 19:17:24,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 19:17:24,227 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 19:17:24,229 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 19:17:24,232 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 19:17:24,234 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 19:17:24,236 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 19:17:24,237 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 19:17:24,238 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 19:17:24,238 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 19:17:24,238 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 19:17:24,239 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 19:17:24,240 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 19:17:24,240 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 19:17:24,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 19:17:24,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 19:17:24,261 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 19:17:24,262 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 19:17:24,263 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 19:17:24,265 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 19:17:24,265 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 19:17:24,265 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 19:17:24,265 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 19:17:24,265 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 19:17:24,265 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 19:17:24,266 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 19:17:24,266 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 19:17:24,266 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 19:17:24,266 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 19:17:24,266 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 19:17:24,266 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 19:17:24,266 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 19:17:24,266 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 19:17:24,267 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 19:17:24,267 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 19:17:24,267 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 19:17:24,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:17:24,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 19:17:24,267 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 19:17:24,267 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 19:17:24,268 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 19:17:24,268 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 19:17:24,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 19:17:24,268 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_26df31cb-a69f-4155-8880-c02c420b4708/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 -> 2ad80e2d7767134fb761a45d54a404219df99a16 [2018-11-18 19:17:24,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 19:17:24,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 19:17:24,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 19:17:24,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 19:17:24,365 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 19:17:24,365 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-18 19:17:24,461 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/data/b3f143e36/79bd555a5ed24ba0a0824e4244f83f2e/FLAGddda57d78 [2018-11-18 19:17:24,948 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 19:17:24,948 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-18 19:17:24,958 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/data/b3f143e36/79bd555a5ed24ba0a0824e4244f83f2e/FLAGddda57d78 [2018-11-18 19:17:25,352 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/data/b3f143e36/79bd555a5ed24ba0a0824e4244f83f2e [2018-11-18 19:17:25,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 19:17:25,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 19:17:25,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 19:17:25,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 19:17:25,360 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 19:17:25,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:17:25" (1/1) ... [2018-11-18 19:17:25,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468c2198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:25, skipping insertion in model container [2018-11-18 19:17:25,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:17:25" (1/1) ... [2018-11-18 19:17:25,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 19:17:25,411 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 19:17:25,799 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:17:25,814 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 19:17:26,076 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:17:26,114 INFO L195 MainTranslator]: Completed translation [2018-11-18 19:17:26,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26 WrapperNode [2018-11-18 19:17:26,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 19:17:26,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 19:17:26,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 19:17:26,122 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 19:17:26,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... [2018-11-18 19:17:26,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... [2018-11-18 19:17:26,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 19:17:26,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 19:17:26,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 19:17:26,206 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 19:17:26,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... [2018-11-18 19:17:26,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... [2018-11-18 19:17:26,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... [2018-11-18 19:17:26,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... [2018-11-18 19:17:26,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... [2018-11-18 19:17:26,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... [2018-11-18 19:17:26,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... [2018-11-18 19:17:26,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 19:17:26,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 19:17:26,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 19:17:26,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 19:17:26,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:17:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/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 [2018-11-18 19:17:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 19:17:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 19:17:26,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 19:17:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 19:17:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 19:17:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 19:17:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 19:17:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 19:17:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 19:17:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 19:17:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 19:17:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 19:17:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 19:17:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 19:17:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 19:17:27,900 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 19:17:27,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:17:27 BoogieIcfgContainer [2018-11-18 19:17:27,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 19:17:27,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 19:17:27,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 19:17:27,910 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 19:17:27,910 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:17:27" (1/1) ... [2018-11-18 19:17:27,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 19:17:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2018-11-18 19:17:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2018-11-18 19:17:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:17:27,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:28,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:17:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:28,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-11-18 19:17:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-11-18 19:17:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 19:17:28,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:17:28,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:28,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2018-11-18 19:17:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2018-11-18 19:17:28,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 19:17:28,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:17:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2018-11-18 19:17:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2018-11-18 19:17:28,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 19:17:28,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:17:28,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2018-11-18 19:17:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2018-11-18 19:17:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 19:17:28,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:17:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2018-11-18 19:17:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2018-11-18 19:17:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 19:17:30,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:17:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 89 states and 132 transitions. [2018-11-18 19:17:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2018-11-18 19:17:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 19:17:30,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:17:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 90 states and 133 transitions. [2018-11-18 19:17:30,702 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 133 transitions. [2018-11-18 19:17:30,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 19:17:30,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 19:17:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 142 transitions. [2018-11-18 19:17:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 142 transitions. [2018-11-18 19:17:31,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 19:17:31,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 19:17:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:31,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 155 transitions. [2018-11-18 19:17:31,557 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2018-11-18 19:17:31,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 19:17:31,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 19:17:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 99 states and 151 transitions. [2018-11-18 19:17:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2018-11-18 19:17:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 19:17:31,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 19:17:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 102 states and 158 transitions. [2018-11-18 19:17:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2018-11-18 19:17:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 19:17:32,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 19:17:34,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:34,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 118 states and 196 transitions. [2018-11-18 19:17:34,306 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2018-11-18 19:17:34,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 19:17:34,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 19:17:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 201 transitions. [2018-11-18 19:17:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2018-11-18 19:17:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 19:17:34,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 19:17:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 122 states and 205 transitions. [2018-11-18 19:17:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2018-11-18 19:17:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 19:17:35,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:35,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:17:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 207 transitions. [2018-11-18 19:17:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2018-11-18 19:17:35,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 19:17:35,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 19:17:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 229 transitions. [2018-11-18 19:17:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 229 transitions. [2018-11-18 19:17:36,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 19:17:36,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 19:17:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 147 states and 258 transitions. [2018-11-18 19:17:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 258 transitions. [2018-11-18 19:17:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 19:17:38,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 19:17:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 150 states and 263 transitions. [2018-11-18 19:17:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 263 transitions. [2018-11-18 19:17:38,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 19:17:38,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 19:17:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 264 transitions. [2018-11-18 19:17:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 264 transitions. [2018-11-18 19:17:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 19:17:38,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 19:17:40,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:40,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 134 states and 214 transitions. [2018-11-18 19:17:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 214 transitions. [2018-11-18 19:17:40,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 19:17:40,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 19:17:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 136 states and 217 transitions. [2018-11-18 19:17:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 217 transitions. [2018-11-18 19:17:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 19:17:40,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 19:17:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 137 states and 218 transitions. [2018-11-18 19:17:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 218 transitions. [2018-11-18 19:17:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 19:17:40,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 19:17:43,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 154 states and 257 transitions. [2018-11-18 19:17:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 257 transitions. [2018-11-18 19:17:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 19:17:43,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 19:17:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 157 states and 260 transitions. [2018-11-18 19:17:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 260 transitions. [2018-11-18 19:17:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 19:17:43,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 19:17:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 165 states and 274 transitions. [2018-11-18 19:17:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 274 transitions. [2018-11-18 19:17:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 19:17:45,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 19:17:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 166 states and 275 transitions. [2018-11-18 19:17:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 275 transitions. [2018-11-18 19:17:45,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 19:17:45,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 19:17:45,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:45,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 160 states and 262 transitions. [2018-11-18 19:17:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2018-11-18 19:17:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 19:17:45,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 19:17:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 162 states and 267 transitions. [2018-11-18 19:17:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 267 transitions. [2018-11-18 19:17:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 19:17:45,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:45,558 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 43 proven. 32 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 19:17:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 164 states and 272 transitions. [2018-11-18 19:17:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 272 transitions. [2018-11-18 19:17:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 19:17:46,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 19:17:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:47,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 171 states and 283 transitions. [2018-11-18 19:17:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 283 transitions. [2018-11-18 19:17:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 19:17:47,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 19:17:47,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 172 states and 284 transitions. [2018-11-18 19:17:47,924 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2018-11-18 19:17:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 19:17:47,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 71 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 19:17:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 174 states and 287 transitions. [2018-11-18 19:17:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 287 transitions. [2018-11-18 19:17:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 19:17:48,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-18 19:17:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 175 states and 288 transitions. [2018-11-18 19:17:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 288 transitions. [2018-11-18 19:17:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 19:17:48,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:17:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:17:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-18 19:17:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:17:48,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 110 states and 158 transitions. [2018-11-18 19:17:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2018-11-18 19:17:48,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 19:17:48,550 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-11-18 19:17:48,559 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 19:17:48,859 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,861 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,861 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,861 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 19:17:48,865 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,865 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,865 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 19:17:48,866 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,866 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,866 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,866 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,866 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,866 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,866 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 19:17:48,867 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,867 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:17:48,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 07:17:48 ImpRootNode [2018-11-18 19:17:48,869 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 19:17:48,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 19:17:48,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 19:17:48,869 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 19:17:48,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:17:27" (3/4) ... [2018-11-18 19:17:48,875 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 19:17:48,880 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 19:17:48,880 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 19:17:48,880 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 19:17:48,881 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 19:17:48,881 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 19:17:48,881 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 19:17:48,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-18 19:17:48,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 19:17:48,887 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 19:17:48,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-18 19:17:48,908 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == tmp) && !(0 == pumpRunning))) || (!(0 == tmp) && !(\old(pumpRunning) == pumpRunning)) [2018-11-18 19:17:48,951 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_26df31cb-a69f-4155-8880-c02c420b4708/bin-2019/ukojak/witness.graphml [2018-11-18 19:17:48,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 19:17:48,952 INFO L168 Benchmark]: Toolchain (without parser) took 23596.53 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 355.5 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -45.8 MB). Peak memory consumption was 309.6 MB. Max. memory is 11.5 GB. [2018-11-18 19:17:48,952 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:17:48,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-18 19:17:48,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.44 ms. Allocated memory is still 1.2 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. [2018-11-18 19:17:48,953 INFO L168 Benchmark]: Boogie Preprocessor took 62.02 ms. Allocated memory is still 1.2 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. [2018-11-18 19:17:48,953 INFO L168 Benchmark]: RCFGBuilder took 1632.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. [2018-11-18 19:17:48,954 INFO L168 Benchmark]: CodeCheck took 20968.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.0 MB). Peak memory consumption was 264.0 MB. Max. memory is 11.5 GB. [2018-11-18 19:17:48,954 INFO L168 Benchmark]: Witness Printer took 81.72 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:17:48,956 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, 77 locations, 1 error locations. SAFE Result, 20.6s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1749998116 SDtfs, -807200420 SDslu, 179435196 SDs, 0 SdLazy, 1219355356 SolverSat, -1350077020 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18050 GetRequests, 17525 SyntacticMatches, 217 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45131 ImplicationChecksByTransitivity, 16.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1844 NumberOfCodeBlocks, 1844 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1810 ConstructedInterpolants, 0 QuantifiedInterpolants, 254263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 18 PerfectInterpolantSequences, 1099/1332 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: 790]: 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: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && 0 == pumpRunning - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == tmp) && !(0 == pumpRunning))) || (!(0 == tmp) && !(\old(pumpRunning) == pumpRunning)) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 764.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.44 ms. Allocated memory is still 1.2 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 62.02 ms. Allocated memory is still 1.2 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. * RCFGBuilder took 1632.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. * CodeCheck took 20968.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.0 MB). Peak memory consumption was 264.0 MB. Max. memory is 11.5 GB. * Witness Printer took 81.72 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...