./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/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_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/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 0.1.23-1dbac8b [2018-11-10 12:58:30,202 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:58:30,202 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:58:30,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:58:30,209 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:58:30,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:58:30,210 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:58:30,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:58:30,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:58:30,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:58:30,213 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:58:30,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:58:30,214 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:58:30,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:58:30,215 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:58:30,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:58:30,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:58:30,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:58:30,218 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:58:30,219 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:58:30,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:58:30,220 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:58:30,221 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:58:30,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:58:30,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:58:30,222 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:58:30,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:58:30,223 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:58:30,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:58:30,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:58:30,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:58:30,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:58:30,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:58:30,225 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:58:30,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:58:30,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:58:30,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:58:30,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:58:30,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:58:30,237 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:58:30,237 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:58:30,238 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:58:30,238 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:58:30,238 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:58:30,238 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:58:30,239 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:58:30,239 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:58:30,239 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:58:30,239 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:58:30,239 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:58:30,239 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:58:30,239 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:58:30,239 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:58:30,240 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:58:30,240 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:58:30,240 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:58:30,240 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:58:30,240 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:58:30,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:58:30,240 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:58:30,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:58:30,241 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:58:30,241 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:58:30,241 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:58:30,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:58:30,241 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_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/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 [2018-11-10 12:58:30,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:58:30,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:58:30,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:58:30,277 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:58:30,278 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:58:30,278 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-10 12:58:30,327 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/data/c4d5f83e1/ebe11fab403440de82088515bfe1a6ae/FLAG743443bc0 [2018-11-10 12:58:30,690 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:58:30,691 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-10 12:58:30,699 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/data/c4d5f83e1/ebe11fab403440de82088515bfe1a6ae/FLAG743443bc0 [2018-11-10 12:58:30,710 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/data/c4d5f83e1/ebe11fab403440de82088515bfe1a6ae [2018-11-10 12:58:30,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:58:30,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:58:30,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:58:30,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:58:30,717 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:58:30,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:58:30" (1/1) ... [2018-11-10 12:58:30,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33df539c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:30, skipping insertion in model container [2018-11-10 12:58:30,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:58:30" (1/1) ... [2018-11-10 12:58:30,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:58:30,759 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:58:30,949 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:58:30,957 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:58:31,009 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:58:31,024 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:58:31,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31 WrapperNode [2018-11-10 12:58:31,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:58:31,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:58:31,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:58:31,025 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:58:31,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... [2018-11-10 12:58:31,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... [2018-11-10 12:58:31,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:58:31,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:58:31,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:58:31,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:58:31,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... [2018-11-10 12:58:31,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... [2018-11-10 12:58:31,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... [2018-11-10 12:58:31,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... [2018-11-10 12:58:31,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... [2018-11-10 12:58:31,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... [2018-11-10 12:58:31,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... [2018-11-10 12:58:31,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:58:31,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:58:31,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:58:31,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:58:31,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:58:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:58:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:58:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 12:58:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 12:58:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:58:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:58:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:58:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:58:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:58:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:58:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:58:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:58:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:58:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:58:32,206 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:58:32,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:58:32 BoogieIcfgContainer [2018-11-10 12:58:32,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:58:32,207 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:58:32,208 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:58:32,214 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:58:32,214 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:58:32" (1/1) ... [2018-11-10 12:58:32,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:58:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2018-11-10 12:58:32,247 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2018-11-10 12:58:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 12:58:32,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2018-11-10 12:58:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2018-11-10 12:58:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 12:58:32,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:32,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:32,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-11-10 12:58:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-11-10 12:58:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:58:32,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2018-11-10 12:58:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-11-10 12:58:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 12:58:32,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-11-10 12:58:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-11-10 12:58:32,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 12:58:32,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:32,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2018-11-10 12:58:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2018-11-10 12:58:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 12:58:32,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2018-11-10 12:58:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2018-11-10 12:58:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:58:33,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 76 states and 112 transitions. [2018-11-10 12:58:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2018-11-10 12:58:33,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 12:58:33,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 113 transitions. [2018-11-10 12:58:33,177 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2018-11-10 12:58:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 12:58:33,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 78 states and 114 transitions. [2018-11-10 12:58:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-11-10 12:58:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 12:58:33,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 126 transitions. [2018-11-10 12:58:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 126 transitions. [2018-11-10 12:58:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 12:58:33,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,456 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 122 transitions. [2018-11-10 12:58:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2018-11-10 12:58:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 12:58:33,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,534 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 81 states and 118 transitions. [2018-11-10 12:58:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2018-11-10 12:58:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 12:58:33,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 96 states and 148 transitions. [2018-11-10 12:58:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2018-11-10 12:58:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 12:58:33,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 149 transitions. [2018-11-10 12:58:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2018-11-10 12:58:33,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 12:58:33,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:58:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 98 states and 150 transitions. [2018-11-10 12:58:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 150 transitions. [2018-11-10 12:58:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 12:58:33,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:58:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 105 states and 172 transitions. [2018-11-10 12:58:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 172 transitions. [2018-11-10 12:58:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 12:58:34,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:58:34,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 115 states and 196 transitions. [2018-11-10 12:58:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2018-11-10 12:58:34,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 12:58:34,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:58:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 116 states and 196 transitions. [2018-11-10 12:58:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2018-11-10 12:58:34,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:58:34,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:58:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 117 states and 197 transitions. [2018-11-10 12:58:34,552 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 197 transitions. [2018-11-10 12:58:34,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:58:34,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 12:58:34,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 118 states and 198 transitions. [2018-11-10 12:58:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2018-11-10 12:58:34,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:58:34,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 12:58:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 122 states and 205 transitions. [2018-11-10 12:58:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2018-11-10 12:58:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 12:58:34,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:34,739 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 12:58:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 120 states and 201 transitions. [2018-11-10 12:58:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2018-11-10 12:58:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 12:58:34,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 12:58:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 118 states and 196 transitions. [2018-11-10 12:58:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2018-11-10 12:58:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:58:34,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:58:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 108 states and 178 transitions. [2018-11-10 12:58:34,900 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2018-11-10 12:58:34,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:58:34,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 12:58:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 47 states and 58 transitions. [2018-11-10 12:58:35,120 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2018-11-10 12:58:35,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:58:35,121 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2018-11-10 12:58:35,129 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:58:35,259 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,261 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,261 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,261 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,261 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,261 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,262 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,262 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,262 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 12:58:35,265 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 12:58:35,265 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,265 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,265 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 12:58:35,266 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,266 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,266 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:58:35,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:58:35 ImpRootNode [2018-11-10 12:58:35,267 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:58:35,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:58:35,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:58:35,267 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:58:35,268 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:58:32" (3/4) ... [2018-11-10 12:58:35,271 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:58:35,275 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 12:58:35,275 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:58:35,275 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:58:35,275 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:58:35,276 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:58:35,280 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-11-10 12:58:35,280 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 12:58:35,281 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 12:58:35,281 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:58:35,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-10 12:58:35,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-11-10 12:58:35,333 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d6a42a0-2a4e-4be5-8d43-b151289e67ac/bin-2019/ukojak/witness.graphml [2018-11-10 12:58:35,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:58:35,333 INFO L168 Benchmark]: Toolchain (without parser) took 4620.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 963.0 MB in the beginning and 894.7 MB in the end (delta: 68.3 MB). Peak memory consumption was 253.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:58:35,334 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. [2018-11-10 12:58:35,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.34 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:58:35,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:58:35,335 INFO L168 Benchmark]: Boogie Preprocessor took 18.21 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. [2018-11-10 12:58:35,335 INFO L168 Benchmark]: RCFGBuilder took 1088.38 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: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:58:35,335 INFO L168 Benchmark]: CodeCheck took 3059.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.0 GB in the beginning and 901.0 MB in the end (delta: 118.5 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:58:35,336 INFO L168 Benchmark]: Witness Printer took 65.94 ms. Allocated memory is still 1.2 GB. Free memory was 901.0 MB in the beginning and 894.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:58:35,337 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, 105 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 636553648 SDtfs, 273152288 SDslu, 407184480 SDs, 0 SdLazy, 278401470 SolverSat, 76621458 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7800 GetRequests, 7659 SyntacticMatches, 59 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2483 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 874 NumberOfCodeBlocks, 874 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 849 ConstructedInterpolants, 0 QuantifiedInterpolants, 71810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 303/331 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: !(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 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 310.34 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.21 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. * RCFGBuilder took 1088.38 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: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3059.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.0 GB in the beginning and 901.0 MB in the end (delta: 118.5 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. * Witness Printer took 65.94 ms. Allocated memory is still 1.2 GB. Free memory was 901.0 MB in the beginning and 894.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...