./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_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_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/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 229890f5f6e9af6d15d776f98b90421cce07d395 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:28:51,980 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:28:51,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:28:51,987 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:28:51,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:28:51,988 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:28:51,989 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:28:51,990 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:28:51,991 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:28:51,992 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:28:51,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:28:51,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:28:51,993 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:28:51,994 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:28:51,994 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:28:51,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:28:51,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:28:51,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:28:51,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:28:51,998 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:28:51,999 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:28:52,000 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:28:52,001 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:28:52,002 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:28:52,002 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:28:52,002 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:28:52,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:28:52,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:28:52,004 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:28:52,005 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:28:52,005 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:28:52,005 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:28:52,006 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:28:52,006 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:28:52,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:28:52,007 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:28:52,007 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:28:52,014 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:28:52,014 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:28:52,015 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:28:52,015 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:28:52,015 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:28:52,015 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:28:52,015 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:28:52,015 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:28:52,015 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:28:52,016 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:28:52,016 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:28:52,016 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:28:52,016 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:28:52,016 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:28:52,016 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:28:52,016 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:28:52,016 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:28:52,017 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:28:52,017 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:28:52,017 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:28:52,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:28:52,017 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:28:52,017 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:28:52,017 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:28:52,018 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:28:52,018 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:28:52,018 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:28:52,018 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:28:52,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:28:52,018 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_545ac276-c712-4bfd-a39c-e2736eb3bfb2/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 -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2018-11-18 10:28:52,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:28:52,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:28:52,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:28:52,056 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:28:52,056 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:28:52,057 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-18 10:28:52,101 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/data/33ce1929d/b56f0ea4a84445ff85d7cda37988045f/FLAG1837c3135 [2018-11-18 10:28:52,475 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:28:52,475 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-18 10:28:52,485 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/data/33ce1929d/b56f0ea4a84445ff85d7cda37988045f/FLAG1837c3135 [2018-11-18 10:28:52,859 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/data/33ce1929d/b56f0ea4a84445ff85d7cda37988045f [2018-11-18 10:28:52,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:28:52,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:28:52,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:52,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:28:52,866 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:28:52,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:52" (1/1) ... [2018-11-18 10:28:52,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa108ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:52, skipping insertion in model container [2018-11-18 10:28:52,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:52" (1/1) ... [2018-11-18 10:28:52,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:28:52,905 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:28:53,091 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:53,098 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:28:53,197 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:53,216 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:28:53,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53 WrapperNode [2018-11-18 10:28:53,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:53,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:28:53,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:28:53,217 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:28:53,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:28:53,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:28:53,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:28:53,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:28:53,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:28:53,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:28:53,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:28:53,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:28:53,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/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 10:28:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:28:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:28:53,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:28:53,311 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:28:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:28:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:28:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:28:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:28:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:28:53,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:28:53,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:28:53,313 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:28:53,313 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:28:53,946 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:28:53,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:53 BoogieIcfgContainer [2018-11-18 10:28:53,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:28:53,947 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:28:53,947 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:28:53,954 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:28:53,954 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:53" (1/1) ... [2018-11-18 10:28:53,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2018-11-18 10:28:53,990 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2018-11-18 10:28:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 10:28:53,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:54,134 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 10:28:54,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:54,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2018-11-18 10:28:54,143 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2018-11-18 10:28:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 10:28:54,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:54,215 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 10:28:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-11-18 10:28:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-11-18 10:28:54,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:28:54,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:54,327 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 10:28:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2018-11-18 10:28:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-11-18 10:28:54,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:28:54,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:54,509 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 10:28:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-11-18 10:28:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-11-18 10:28:54,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:28:54,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:54,562 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 10:28:54,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:54,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2018-11-18 10:28:54,570 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2018-11-18 10:28:54,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:28:54,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:54,622 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 10:28:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2018-11-18 10:28:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2018-11-18 10:28:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:28:54,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:54,992 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 10:28:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2018-11-18 10:28:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2018-11-18 10:28:55,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:28:55,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:55,402 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 10:28:55,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2018-11-18 10:28:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2018-11-18 10:28:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:28:55,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:55,457 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 10:28:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-11-18 10:28:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-11-18 10:28:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:28:55,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:55,518 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 10:28:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 147 transitions. [2018-11-18 10:28:55,647 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2018-11-18 10:28:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:28:55,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 100 states and 160 transitions. [2018-11-18 10:28:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 160 transitions. [2018-11-18 10:28:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:28:55,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 101 states and 163 transitions. [2018-11-18 10:28:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 163 transitions. [2018-11-18 10:28:56,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:28:56,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:56,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:56,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 166 transitions. [2018-11-18 10:28:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 166 transitions. [2018-11-18 10:28:56,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:28:56,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:56,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 106 states and 171 transitions. [2018-11-18 10:28:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 171 transitions. [2018-11-18 10:28:56,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:28:56,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 201 transitions. [2018-11-18 10:28:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2018-11-18 10:28:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 10:28:56,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 202 transitions. [2018-11-18 10:28:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 202 transitions. [2018-11-18 10:28:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 10:28:56,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 203 transitions. [2018-11-18 10:28:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 203 transitions. [2018-11-18 10:28:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 10:28:56,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:28:57,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 130 states and 225 transitions. [2018-11-18 10:28:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 225 transitions. [2018-11-18 10:28:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 10:28:57,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:28:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:57,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 133 states and 231 transitions. [2018-11-18 10:28:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 231 transitions. [2018-11-18 10:28:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:28:57,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:28:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:57,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 138 states and 242 transitions. [2018-11-18 10:28:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 242 transitions. [2018-11-18 10:28:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 10:28:57,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:28:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 145 states and 260 transitions. [2018-11-18 10:28:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 260 transitions. [2018-11-18 10:28:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:28:58,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:28:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 261 transitions. [2018-11-18 10:28:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 261 transitions. [2018-11-18 10:28:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:28:58,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:28:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:58,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 147 states and 262 transitions. [2018-11-18 10:28:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 262 transitions. [2018-11-18 10:28:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 10:28:58,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:28:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:58,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 148 states and 260 transitions. [2018-11-18 10:28:58,207 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 260 transitions. [2018-11-18 10:28:58,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:28:58,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 10:28:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 138 states and 240 transitions. [2018-11-18 10:28:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 240 transitions. [2018-11-18 10:28:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:28:58,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:58,256 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 10:28:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 142 states and 247 transitions. [2018-11-18 10:28:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 247 transitions. [2018-11-18 10:28:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 10:28:58,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 10:28:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 140 states and 243 transitions. [2018-11-18 10:28:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2018-11-18 10:28:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 10:28:58,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 10:28:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 138 states and 238 transitions. [2018-11-18 10:28:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2018-11-18 10:28:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 10:28:58,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:28:58,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:58,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 128 states and 220 transitions. [2018-11-18 10:28:58,725 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2018-11-18 10:28:58,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 10:28:58,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:28:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 10:28:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:28:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 62 states and 85 transitions. [2018-11-18 10:28:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2018-11-18 10:28:59,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:28:59,038 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-11-18 10:28:59,044 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:28:59,198 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,200 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,200 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,200 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,200 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,200 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,201 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,201 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,201 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 10:28:59,203 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 10:28:59,204 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,204 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,204 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 10:28:59,204 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,205 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,205 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:28:59,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:28:59 ImpRootNode [2018-11-18 10:28:59,205 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:28:59,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:28:59,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:28:59,206 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:28:59,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:53" (3/4) ... [2018-11-18 10:28:59,209 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:28:59,212 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:28:59,212 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:28:59,213 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:28:59,213 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:28:59,213 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:28:59,217 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-18 10:28:59,217 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:28:59,217 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 10:28:59,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-18 10:28:59,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-11-18 10:28:59,271 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_545ac276-c712-4bfd-a39c-e2736eb3bfb2/bin-2019/ukojak/witness.graphml [2018-11-18 10:28:59,271 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:28:59,272 INFO L168 Benchmark]: Toolchain (without parser) took 6409.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:59,273 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:28:59,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:59,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:28:59,273 INFO L168 Benchmark]: Boogie Preprocessor took 18.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:59,273 INFO L168 Benchmark]: RCFGBuilder took 677.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:59,274 INFO L168 Benchmark]: CodeCheck took 5257.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -101.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:59,275 INFO L168 Benchmark]: Witness Printer took 65.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:59,276 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 6 procedures, 69 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1140697552 SDtfs, 436997924 SDslu, 698669536 SDs, 0 SdLazy, 1050637250 SolverSat, -1777194222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10575 GetRequests, 10356 SyntacticMatches, 79 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8155 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1068 NumberOfCodeBlocks, 1068 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1038 ConstructedInterpolants, 0 QuantifiedInterpolants, 88461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 21 PerfectInterpolantSequences, 369/403 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: 827]: 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: 706]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 677.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * CodeCheck took 5257.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -101.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. * Witness Printer took 65.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...