./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/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 384c0d348196326a7d81e106f1c497f9cd3f1b7c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:50:39,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:50:39,464 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:50:39,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:50:39,473 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:50:39,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:50:39,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:50:39,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:50:39,476 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:50:39,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:50:39,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:50:39,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:50:39,478 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:50:39,479 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:50:39,479 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:50:39,480 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:50:39,480 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:50:39,481 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:50:39,482 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:50:39,483 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:50:39,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:50:39,484 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:50:39,485 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:50:39,486 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:50:39,486 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:50:39,486 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:50:39,487 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:50:39,488 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:50:39,488 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:50:39,489 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:50:39,489 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:50:39,490 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:50:39,490 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:50:39,490 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:50:39,491 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:50:39,491 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:50:39,491 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:50:39,499 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:50:39,499 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:50:39,500 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:50:39,500 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:50:39,500 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:50:39,500 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:50:39,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:50:39,500 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:50:39,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:50:39,501 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:50:39,501 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:50:39,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:50:39,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:50:39,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:50:39,501 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:50:39,501 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:50:39,501 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:50:39,502 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:50:39,502 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:50:39,502 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:50:39,502 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:50:39,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:50:39,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:50:39,502 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:50:39,502 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:50:39,502 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:50:39,503 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:50:39,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:50:39,503 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_f0957525-ca6f-4219-b377-10a0a933f7d8/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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2018-11-10 10:50:39,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:50:39,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:50:39,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:50:39,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:50:39,535 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:50:39,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-11-10 10:50:39,572 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/data/51724f53d/a1e798c6f0c045759906d3b88ff676d7/FLAGd2c1b9b5a [2018-11-10 10:50:39,998 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:50:39,998 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-11-10 10:50:40,004 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/data/51724f53d/a1e798c6f0c045759906d3b88ff676d7/FLAGd2c1b9b5a [2018-11-10 10:50:40,013 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/data/51724f53d/a1e798c6f0c045759906d3b88ff676d7 [2018-11-10 10:50:40,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:50:40,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:50:40,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:50:40,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:50:40,019 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:50:40,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23291eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40, skipping insertion in model container [2018-11-10 10:50:40,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:50:40,057 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:50:40,233 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:50:40,241 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:50:40,293 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:50:40,314 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:50:40,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40 WrapperNode [2018-11-10 10:50:40,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:50:40,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:50:40,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:50:40,316 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:50:40,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:50:40,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:50:40,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:50:40,410 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:50:40,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:50:40,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:50:40,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:50:40,433 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:50:40,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/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 10:50:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:50:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 10:50:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 10:50:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 10:50:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 10:50:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 10:50:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 10:50:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 10:50:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 10:50:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 10:50:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 10:50:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 10:50:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 10:50:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:50:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:50:41,482 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:50:41,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:50:41 BoogieIcfgContainer [2018-11-10 10:50:41,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:50:41,483 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:50:41,483 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:50:41,492 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:50:41,493 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:50:41" (1/1) ... [2018-11-10 10:50:41,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:50:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2018-11-10 10:50:41,538 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2018-11-10 10:50:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 10:50:41,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:41,685 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 10:50:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-11-10 10:50:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-11-10 10:50:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 10:50:41,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:41,769 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 10:50:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2018-11-10 10:50:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2018-11-10 10:50:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 10:50:41,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:41,864 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 10:50:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2018-11-10 10:50:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2018-11-10 10:50:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 10:50:42,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:42,042 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 10:50:42,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2018-11-10 10:50:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2018-11-10 10:50:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 10:50:42,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:42,143 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 10:50:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 84 states and 124 transitions. [2018-11-10 10:50:42,474 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2018-11-10 10:50:42,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 10:50:42,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:42,510 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 10:50:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 85 states and 125 transitions. [2018-11-10 10:50:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 125 transitions. [2018-11-10 10:50:42,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 10:50:42,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:42,558 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 10:50:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 126 transitions. [2018-11-10 10:50:42,573 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2018-11-10 10:50:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 10:50:42,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:42,674 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 10:50:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 104 states and 159 transitions. [2018-11-10 10:50:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 159 transitions. [2018-11-10 10:50:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 10:50:43,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:50:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 109 states and 169 transitions. [2018-11-10 10:50:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2018-11-10 10:50:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 10:50:43,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:50:43,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 110 states and 170 transitions. [2018-11-10 10:50:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2018-11-10 10:50:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 10:50:43,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:50:43,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:43,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 117 states and 184 transitions. [2018-11-10 10:50:43,713 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2018-11-10 10:50:43,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 10:50:43,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:50:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 115 states and 180 transitions. [2018-11-10 10:50:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2018-11-10 10:50:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 10:50:43,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 10:50:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 198 transitions. [2018-11-10 10:50:44,643 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2018-11-10 10:50:44,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 10:50:44,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:50:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 202 transitions. [2018-11-10 10:50:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 202 transitions. [2018-11-10 10:50:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 10:50:44,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:50:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 135 states and 221 transitions. [2018-11-10 10:50:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 221 transitions. [2018-11-10 10:50:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 10:50:45,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:50:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 136 states and 222 transitions. [2018-11-10 10:50:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 222 transitions. [2018-11-10 10:50:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 10:50:45,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:50:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 137 states and 223 transitions. [2018-11-10 10:50:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-11-10 10:50:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 10:50:45,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:50:46,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 156 states and 277 transitions. [2018-11-10 10:50:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 277 transitions. [2018-11-10 10:50:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 10:50:46,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:50:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 157 states and 278 transitions. [2018-11-10 10:50:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 278 transitions. [2018-11-10 10:50:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 10:50:46,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:46,285 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:50:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 160 states and 283 transitions. [2018-11-10 10:50:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 283 transitions. [2018-11-10 10:50:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 10:50:46,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:50:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 161 states and 284 transitions. [2018-11-10 10:50:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 284 transitions. [2018-11-10 10:50:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 10:50:46,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:50:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:47,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 174 states and 316 transitions. [2018-11-10 10:50:47,256 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 316 transitions. [2018-11-10 10:50:47,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 10:50:47,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:50:47,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 175 states and 317 transitions. [2018-11-10 10:50:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 317 transitions. [2018-11-10 10:50:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 10:50:47,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:50:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 179 states and 324 transitions. [2018-11-10 10:50:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 324 transitions. [2018-11-10 10:50:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 10:50:47,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:50:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 184 states and 334 transitions. [2018-11-10 10:50:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 334 transitions. [2018-11-10 10:50:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 10:50:48,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:50:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 182 states and 330 transitions. [2018-11-10 10:50:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 330 transitions. [2018-11-10 10:50:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 10:50:48,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:50:49,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 187 states and 337 transitions. [2018-11-10 10:50:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 337 transitions. [2018-11-10 10:50:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 10:50:49,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 10:50:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 189 states and 340 transitions. [2018-11-10 10:50:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 340 transitions. [2018-11-10 10:50:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 10:50:49,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:49,291 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:50:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 190 states and 341 transitions. [2018-11-10 10:50:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 341 transitions. [2018-11-10 10:50:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 10:50:49,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:50:49,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 186 states and 329 transitions. [2018-11-10 10:50:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 329 transitions. [2018-11-10 10:50:49,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 10:50:49,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 10:50:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 179 states and 316 transitions. [2018-11-10 10:50:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 316 transitions. [2018-11-10 10:50:49,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 10:50:49,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:50:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 197 states and 356 transitions. [2018-11-10 10:50:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 356 transitions. [2018-11-10 10:50:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 10:50:50,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 10:50:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 187 states and 332 transitions. [2018-11-10 10:50:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 332 transitions. [2018-11-10 10:50:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 10:50:51,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 34 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 10:50:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 192 states and 342 transitions. [2018-11-10 10:50:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 342 transitions. [2018-11-10 10:50:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 10:50:51,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 10:50:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 188 states and 328 transitions. [2018-11-10 10:50:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 328 transitions. [2018-11-10 10:50:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 10:50:51,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:51,895 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 10:50:52,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 91 states and 129 transitions. [2018-11-10 10:50:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2018-11-10 10:50:52,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:50:52,119 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-11-10 10:50:52,126 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:50:52,362 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,364 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,364 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,364 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,364 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,365 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-11-10 10:50:52,368 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 10:50:52,368 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,368 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,368 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,369 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 10:50:52,369 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,369 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,369 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,369 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:50:52,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:50:52 ImpRootNode [2018-11-10 10:50:52,370 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:50:52,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:50:52,370 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:50:52,370 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:50:52,371 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:50:41" (3/4) ... [2018-11-10 10:50:52,373 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:50:52,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 10:50:52,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 10:50:52,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 10:50:52,378 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 10:50:52,378 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 10:50:52,378 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 10:50:52,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-11-10 10:50:52,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 10:50:52,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 10:50:52,405 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-10 10:50:52,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-11-10 10:50:52,436 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f0957525-ca6f-4219-b377-10a0a933f7d8/bin-2019/ukojak/witness.graphml [2018-11-10 10:50:52,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:50:52,437 INFO L168 Benchmark]: Toolchain (without parser) took 12422.36 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 479.7 MB). Free memory was 963.4 MB in the beginning and 917.3 MB in the end (delta: 46.2 MB). Peak memory consumption was 525.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:50:52,438 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:50:52,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.13 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:50:52,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -226.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:50:52,439 INFO L168 Benchmark]: Boogie Preprocessor took 22.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:50:52,439 INFO L168 Benchmark]: RCFGBuilder took 1049.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Peak memory consumption was 97.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:50:52,439 INFO L168 Benchmark]: CodeCheck took 10886.91 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 307.2 MB). Free memory was 1.1 GB in the beginning and 929.8 MB in the end (delta: 136.3 MB). Peak memory consumption was 443.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:50:52,439 INFO L168 Benchmark]: Witness Printer took 66.58 ms. Allocated memory is still 1.5 GB. Free memory was 929.8 MB in the beginning and 917.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:50:52,441 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 113 locations, 1 error locations. SAFE Result, 10.6s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1217286544 SDtfs, 49727582 SDslu, -2045219064 SDs, 0 SdLazy, -941737530 SolverSat, -1006512876 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18196 GetRequests, 17768 SyntacticMatches, 176 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28709 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1857 NumberOfCodeBlocks, 1857 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1821 ConstructedInterpolants, 0 QuantifiedInterpolants, 221759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 22 PerfectInterpolantSequences, 857/946 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: 510]: 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: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.13 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 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 94.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -226.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1049.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Peak memory consumption was 97.0 MB. Max. memory is 11.5 GB. * CodeCheck took 10886.91 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 307.2 MB). Free memory was 1.1 GB in the beginning and 929.8 MB in the end (delta: 136.3 MB). Peak memory consumption was 443.5 MB. Max. memory is 11.5 GB. * Witness Printer took 66.58 ms. Allocated memory is still 1.5 GB. Free memory was 929.8 MB in the beginning and 917.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...