./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/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 c39001161d93972d05784cb6dbc5024ef34abe15 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:39:25,204 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:39:25,204 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:39:25,210 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:39:25,211 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:39:25,211 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:39:25,212 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:39:25,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:39:25,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:39:25,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:39:25,214 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:39:25,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:39:25,214 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:39:25,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:39:25,215 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:39:25,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:39:25,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:39:25,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:39:25,218 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:39:25,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:39:25,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:39:25,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:39:25,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:39:25,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:39:25,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:39:25,221 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:39:25,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:39:25,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:39:25,222 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:39:25,223 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:39:25,223 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:39:25,223 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:39:25,223 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:39:25,223 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:39:25,224 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:39:25,224 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:39:25,224 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 16:39:25,231 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:39:25,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:39:25,231 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:39:25,232 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 16:39:25,232 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:39:25,232 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:39:25,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:39:25,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:39:25,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:39:25,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:39:25,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:39:25,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:39:25,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:39:25,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:39:25,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:39:25,233 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:39:25,233 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:39:25,233 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:39:25,233 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:39:25,233 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:39:25,233 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:39:25,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:39:25,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:39:25,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:39:25,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:39:25,234 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:39:25,234 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:39:25,234 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:39:25,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:39:25,234 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_b7387c10-29d4-4a68-9709-5073cc8a2e4b/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 -> c39001161d93972d05784cb6dbc5024ef34abe15 [2018-12-08 16:39:25,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:39:25,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:39:25,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:39:25,264 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:39:25,264 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:39:25,265 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2018-12-08 16:39:25,308 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/data/30993e80c/d7de92b9b02c41c19dc033eec8586a2c/FLAGf8e7bd027 [2018-12-08 16:39:25,667 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:39:25,667 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/sv-benchmarks/c/product-lines/minepump_spec2_product07_true-unreach-call_false-termination.cil.c [2018-12-08 16:39:25,673 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/data/30993e80c/d7de92b9b02c41c19dc033eec8586a2c/FLAGf8e7bd027 [2018-12-08 16:39:26,054 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/data/30993e80c/d7de92b9b02c41c19dc033eec8586a2c [2018-12-08 16:39:26,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:39:26,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:39:26,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:39:26,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:39:26,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:39:26,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26, skipping insertion in model container [2018-12-08 16:39:26,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:39:26,127 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:39:26,313 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:39:26,356 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:39:26,402 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:39:26,421 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:39:26,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26 WrapperNode [2018-12-08 16:39:26,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:39:26,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:39:26,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:39:26,422 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:39:26,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:39:26,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:39:26,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:39:26,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:39:26,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:39:26,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:39:26,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:39:26,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:39:26,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:39:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:39:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:39:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:39:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:39:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:39:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:39:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:39:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:39:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:39:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:39:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:39:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:39:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:39:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:39:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:39:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:39:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:39:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:39:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:39:26,885 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:39:26,885 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-08 16:39:26,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:39:26 BoogieIcfgContainer [2018-12-08 16:39:26,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:39:26,886 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:39:26,886 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:39:26,893 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:39:26,893 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:39:26" (1/1) ... [2018-12-08 16:39:26,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:39:26,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2018-12-08 16:39:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2018-12-08 16:39:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 16:39:26,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:27,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-12-08 16:39:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-08 16:39:27,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 16:39:27,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:27,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:27,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2018-12-08 16:39:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2018-12-08 16:39:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 16:39:27,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 69 states and 99 transitions. [2018-12-08 16:39:27,226 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2018-12-08 16:39:27,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 16:39:27,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:27,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 100 transitions. [2018-12-08 16:39:27,253 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2018-12-08 16:39:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:39:27,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:27,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2018-12-08 16:39:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2018-12-08 16:39:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:39:27,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:27,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2018-12-08 16:39:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2018-12-08 16:39:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 16:39:27,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 140 transitions. [2018-12-08 16:39:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 140 transitions. [2018-12-08 16:39:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:39:27,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:27,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 141 transitions. [2018-12-08 16:39:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2018-12-08 16:39:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 16:39:27,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 95 states and 150 transitions. [2018-12-08 16:39:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2018-12-08 16:39:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:39:27,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 114 states and 191 transitions. [2018-12-08 16:39:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 191 transitions. [2018-12-08 16:39:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 16:39:28,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2018-12-08 16:39:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2018-12-08 16:39:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 16:39:28,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:28,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2018-12-08 16:39:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2018-12-08 16:39:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 16:39:28,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:39:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 204 transitions. [2018-12-08 16:39:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2018-12-08 16:39:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 16:39:28,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:28,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 212 transitions. [2018-12-08 16:39:28,744 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2018-12-08 16:39:28,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 16:39:28,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 221 transitions. [2018-12-08 16:39:28,776 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2018-12-08 16:39:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 16:39:28,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 137 states and 240 transitions. [2018-12-08 16:39:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 240 transitions. [2018-12-08 16:39:28,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 16:39:28,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:29,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:29,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 141 states and 248 transitions. [2018-12-08 16:39:29,209 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2018-12-08 16:39:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:39:29,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:29,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 139 states and 244 transitions. [2018-12-08 16:39:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 244 transitions. [2018-12-08 16:39:29,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:39:29,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 16:39:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 142 states and 251 transitions. [2018-12-08 16:39:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 251 transitions. [2018-12-08 16:39:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:39:29,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 145 states and 258 transitions. [2018-12-08 16:39:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2018-12-08 16:39:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 16:39:29,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 149 states and 266 transitions. [2018-12-08 16:39:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 266 transitions. [2018-12-08 16:39:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:39:30,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:39:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:30,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 156 states and 278 transitions. [2018-12-08 16:39:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 278 transitions. [2018-12-08 16:39:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:39:30,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:39:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 158 states and 279 transitions. [2018-12-08 16:39:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 279 transitions. [2018-12-08 16:39:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:39:30,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:31,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 175 states and 321 transitions. [2018-12-08 16:39:31,171 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 321 transitions. [2018-12-08 16:39:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 16:39:31,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:39:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 176 states and 321 transitions. [2018-12-08 16:39:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 321 transitions. [2018-12-08 16:39:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:39:31,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 181 states and 332 transitions. [2018-12-08 16:39:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 332 transitions. [2018-12-08 16:39:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:39:31,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 182 states and 333 transitions. [2018-12-08 16:39:31,470 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 333 transitions. [2018-12-08 16:39:31,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:39:31,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:39:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:31,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 183 states and 334 transitions. [2018-12-08 16:39:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 334 transitions. [2018-12-08 16:39:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:39:31,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:39:32,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:32,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 199 states and 371 transitions. [2018-12-08 16:39:32,593 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 371 transitions. [2018-12-08 16:39:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:39:32,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:39:32,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 201 states and 372 transitions. [2018-12-08 16:39:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 372 transitions. [2018-12-08 16:39:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:39:32,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 211 states and 390 transitions. [2018-12-08 16:39:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 390 transitions. [2018-12-08 16:39:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:39:33,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:39:35,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:35,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 223 states and 416 transitions. [2018-12-08 16:39:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 416 transitions. [2018-12-08 16:39:35,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:39:35,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:39:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 225 states and 418 transitions. [2018-12-08 16:39:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 418 transitions. [2018-12-08 16:39:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:39:35,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:39:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 226 states and 418 transitions. [2018-12-08 16:39:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 418 transitions. [2018-12-08 16:39:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 16:39:35,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:39:35,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 227 states and 419 transitions. [2018-12-08 16:39:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 419 transitions. [2018-12-08 16:39:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 16:39:35,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:39:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 228 states and 420 transitions. [2018-12-08 16:39:35,486 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 420 transitions. [2018-12-08 16:39:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 16:39:35,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:39:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 229 states and 421 transitions. [2018-12-08 16:39:35,515 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 421 transitions. [2018-12-08 16:39:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:39:35,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:39:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 247 states and 467 transitions. [2018-12-08 16:39:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 467 transitions. [2018-12-08 16:39:36,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 16:39:36,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:39:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 248 states and 468 transitions. [2018-12-08 16:39:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 468 transitions. [2018-12-08 16:39:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 16:39:37,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:39:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 251 states and 472 transitions. [2018-12-08 16:39:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 472 transitions. [2018-12-08 16:39:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 16:39:37,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:39:37,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 256 states and 481 transitions. [2018-12-08 16:39:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 481 transitions. [2018-12-08 16:39:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 16:39:37,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:39:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 257 states and 482 transitions. [2018-12-08 16:39:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 482 transitions. [2018-12-08 16:39:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 16:39:37,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:39:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 267 states and 504 transitions. [2018-12-08 16:39:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 504 transitions. [2018-12-08 16:39:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 16:39:38,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:39:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 270 states and 509 transitions. [2018-12-08 16:39:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 509 transitions. [2018-12-08 16:39:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 16:39:38,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:38,801 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:39:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 272 states and 511 transitions. [2018-12-08 16:39:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 511 transitions. [2018-12-08 16:39:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 16:39:38,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:39:39,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:39,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 276 states and 518 transitions. [2018-12-08 16:39:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 518 transitions. [2018-12-08 16:39:39,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 16:39:39,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:39:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:39,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 277 states and 519 transitions. [2018-12-08 16:39:39,155 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 519 transitions. [2018-12-08 16:39:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 16:39:39,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:39:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 278 states and 519 transitions. [2018-12-08 16:39:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 519 transitions. [2018-12-08 16:39:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 16:39:39,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:39:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 283 states and 529 transitions. [2018-12-08 16:39:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 529 transitions. [2018-12-08 16:39:39,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:39:39,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:39:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:39,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 284 states and 530 transitions. [2018-12-08 16:39:39,723 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 530 transitions. [2018-12-08 16:39:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:39:39,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:39:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:39,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 282 states and 526 transitions. [2018-12-08 16:39:39,747 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 526 transitions. [2018-12-08 16:39:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:39:39,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:39:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 283 states and 529 transitions. [2018-12-08 16:39:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 529 transitions. [2018-12-08 16:39:39,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 16:39:39,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:39:40,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 284 states and 530 transitions. [2018-12-08 16:39:40,157 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 530 transitions. [2018-12-08 16:39:40,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 16:39:40,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:39:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 286 states and 533 transitions. [2018-12-08 16:39:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 533 transitions. [2018-12-08 16:39:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 16:39:40,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:39:40,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 288 states and 535 transitions. [2018-12-08 16:39:40,233 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 535 transitions. [2018-12-08 16:39:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:39:40,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,244 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:39:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 289 states and 538 transitions. [2018-12-08 16:39:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 538 transitions. [2018-12-08 16:39:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:39:40,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:39:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 290 states and 540 transitions. [2018-12-08 16:39:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 540 transitions. [2018-12-08 16:39:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 16:39:40,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:39:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 294 states and 547 transitions. [2018-12-08 16:39:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 547 transitions. [2018-12-08 16:39:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 16:39:40,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:39:40,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 295 states and 547 transitions. [2018-12-08 16:39:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 547 transitions. [2018-12-08 16:39:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 16:39:40,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:39:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 296 states and 547 transitions. [2018-12-08 16:39:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 547 transitions. [2018-12-08 16:39:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 16:39:40,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 16:39:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 297 states and 548 transitions. [2018-12-08 16:39:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 548 transitions. [2018-12-08 16:39:40,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 16:39:40,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 16:39:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 299 states and 551 transitions. [2018-12-08 16:39:40,648 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 551 transitions. [2018-12-08 16:39:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 16:39:40,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 16:39:40,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 293 states and 538 transitions. [2018-12-08 16:39:40,674 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 538 transitions. [2018-12-08 16:39:40,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 16:39:40,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:39:40,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:40,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 284 states and 521 transitions. [2018-12-08 16:39:40,706 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 521 transitions. [2018-12-08 16:39:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 16:39:40,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 16:39:41,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 286 states and 522 transitions. [2018-12-08 16:39:41,157 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 522 transitions. [2018-12-08 16:39:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 16:39:41,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:39:41,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:41,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 288 states and 523 transitions. [2018-12-08 16:39:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 523 transitions. [2018-12-08 16:39:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 16:39:41,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 16:39:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 289 states and 524 transitions. [2018-12-08 16:39:41,393 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 524 transitions. [2018-12-08 16:39:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 16:39:41,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 16:39:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:41,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 281 states and 507 transitions. [2018-12-08 16:39:41,448 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 507 transitions. [2018-12-08 16:39:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 16:39:41,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 16:39:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 268 states and 484 transitions. [2018-12-08 16:39:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 484 transitions. [2018-12-08 16:39:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 16:39:41,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:39:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 279 states and 512 transitions. [2018-12-08 16:39:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 512 transitions. [2018-12-08 16:39:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 16:39:42,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:42,673 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:39:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 280 states and 513 transitions. [2018-12-08 16:39:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 513 transitions. [2018-12-08 16:39:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 16:39:42,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:42,694 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:39:42,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:42,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 282 states and 514 transitions. [2018-12-08 16:39:42,895 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 514 transitions. [2018-12-08 16:39:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 16:39:42,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:39:43,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 283 states and 515 transitions. [2018-12-08 16:39:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 515 transitions. [2018-12-08 16:39:43,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 16:39:43,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 16:39:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 285 states and 516 transitions. [2018-12-08 16:39:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 516 transitions. [2018-12-08 16:39:43,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-08 16:39:43,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:39:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:39:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-08 16:39:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:39:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 142 states and 210 transitions. [2018-12-08 16:39:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 210 transitions. [2018-12-08 16:39:43,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:39:43,602 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 76 iterations. [2018-12-08 16:39:43,608 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 16:39:43,821 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,823 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,823 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,823 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-08 16:39:43,826 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,826 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,826 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,826 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 16:39:43,826 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,827 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-08 16:39:43,827 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,827 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,827 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:39:43,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:39:43 ImpRootNode [2018-12-08 16:39:43,827 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:39:43,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:39:43,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:39:43,828 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:39:43,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:39:26" (3/4) ... [2018-12-08 16:39:43,830 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:39:43,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:39:43,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:39:43,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:39:43,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:39:43,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:39:43,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:39:43,834 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:39:43,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-12-08 16:39:43,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 16:39:43,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:39:43,838 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:39:43,839 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:39:43,839 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:39:43,855 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || \old(pumpRunning) == pumpRunning) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-12-08 16:39:43,873 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b7387c10-29d4-4a68-9709-5073cc8a2e4b/bin-2019/ukojak/witness.graphml [2018-12-08 16:39:43,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:39:43,874 INFO L168 Benchmark]: Toolchain (without parser) took 17814.79 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 471.3 MB). Free memory was 949.5 MB in the beginning and 1.3 GB in the end (delta: -352.0 MB). Peak memory consumption was 119.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:39:43,875 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:39:43,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:39:43,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:39:43,875 INFO L168 Benchmark]: Boogie Preprocessor took 16.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:39:43,875 INFO L168 Benchmark]: RCFGBuilder took 418.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:39:43,876 INFO L168 Benchmark]: CodeCheck took 16941.39 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 367.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -275.9 MB). Peak memory consumption was 91.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:39:43,876 INFO L168 Benchmark]: Witness Printer took 45.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 37.3 kB). Peak memory consumption was 37.3 kB. Max. memory is 11.5 GB. [2018-12-08 16:39:43,877 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, 73 locations, 1 error locations. SAFE Result, 16.6s OverallTime, 76 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1142956304 SDtfs, 498474304 SDslu, -1560320792 SDs, 0 SdLazy, 1814940964 SolverSat, 223567544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40550 GetRequests, 39666 SyntacticMatches, 508 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80930 ImplicationChecksByTransitivity, 13.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3758 NumberOfCodeBlocks, 3758 NumberOfCodeBlocksAsserted, 75 NumberOfCheckSat, 3683 ConstructedInterpolants, 0 QuantifiedInterpolants, 424651 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 75 InterpolantComputations, 54 PerfectInterpolantSequences, 1651/1823 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: 391]: 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: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || \old(pumpRunning) == pumpRunning) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 418.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. * CodeCheck took 16941.39 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 367.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -275.9 MB). Peak memory consumption was 91.1 MB. Max. memory is 11.5 GB. * Witness Printer took 45.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 37.3 kB). Peak memory consumption was 37.3 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...