./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/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 94f4a1e9ea07f337cfe109f71c75c9357897e0ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 10:18:08,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 10:18:08,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 10:18:08,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 10:18:08,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 10:18:08,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 10:18:08,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 10:18:08,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 10:18:08,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 10:18:08,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 10:18:08,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 10:18:08,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 10:18:08,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 10:18:08,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 10:18:08,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 10:18:08,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 10:18:08,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 10:18:08,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 10:18:08,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 10:18:08,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 10:18:08,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 10:18:08,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 10:18:08,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 10:18:08,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 10:18:08,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 10:18:08,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 10:18:08,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 10:18:08,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 10:18:08,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 10:18:08,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 10:18:08,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 10:18:08,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 10:18:08,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 10:18:08,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 10:18:08,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 10:18:08,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 10:18:08,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 10:18:08,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 10:18:08,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 10:18:08,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 10:18:08,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 10:18:08,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 10:18:08,156 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 10:18:08,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 10:18:08,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 10:18:08,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 10:18:08,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 10:18:08,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 10:18:08,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 10:18:08,158 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 10:18:08,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 10:18:08,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 10:18:08,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 10:18:08,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 10:18:08,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 10:18:08,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 10:18:08,159 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 10:18:08,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 10:18:08,159 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 10:18:08,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 10:18:08,159 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 10:18:08,159 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 10:18:08,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 10:18:08,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 10:18:08,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 10:18:08,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 10:18:08,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 10:18:08,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 10:18:08,160 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 10:18:08,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 10:18:08,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 10:18:08,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/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 -> 94f4a1e9ea07f337cfe109f71c75c9357897e0ec [2019-12-01 10:18:08,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 10:18:08,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 10:18:08,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 10:18:08,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 10:18:08,277 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 10:18:08,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2019-12-01 10:18:08,318 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/data/bb54d37d3/9f1f224ab6444b6e96fef77e150b6ab6/FLAG720485775 [2019-12-01 10:18:08,714 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 10:18:08,714 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2019-12-01 10:18:08,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/data/bb54d37d3/9f1f224ab6444b6e96fef77e150b6ab6/FLAG720485775 [2019-12-01 10:18:08,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/data/bb54d37d3/9f1f224ab6444b6e96fef77e150b6ab6 [2019-12-01 10:18:08,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 10:18:08,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 10:18:08,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 10:18:08,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 10:18:08,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 10:18:08,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:18:08" (1/1) ... [2019-12-01 10:18:08,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:08, skipping insertion in model container [2019-12-01 10:18:08,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:18:08" (1/1) ... [2019-12-01 10:18:08,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 10:18:08,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 10:18:08,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:18:09,000 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 10:18:09,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:18:09,062 INFO L208 MainTranslator]: Completed translation [2019-12-01 10:18:09,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09 WrapperNode [2019-12-01 10:18:09,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 10:18:09,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 10:18:09,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 10:18:09,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 10:18:09,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 10:18:09,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 10:18:09,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 10:18:09,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 10:18:09,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 10:18:09,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 10:18:09,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 10:18:09,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 10:18:09,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:18:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/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 [2019-12-01 10:18:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 10:18:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 10:18:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 10:18:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 10:18:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 10:18:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 10:18:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 10:18:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 10:18:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 10:18:09,169 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 10:18:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 10:18:09,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 10:18:09,169 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 10:18:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 10:18:09,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 10:18:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 10:18:09,695 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 10:18:09,695 INFO L287 CfgBuilder]: Removed 32 assume(true) statements. [2019-12-01 10:18:09,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:18:09 BoogieIcfgContainer [2019-12-01 10:18:09,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 10:18:09,697 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 10:18:09,697 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 10:18:09,704 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 10:18:09,704 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:18:09" (1/1) ... [2019-12-01 10:18:09,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 10:18:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2019-12-01 10:18:09,735 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2019-12-01 10:18:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 10:18:09,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:18:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-12-01 10:18:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-12-01 10:18:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 10:18:09,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:18:09,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:09,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2019-12-01 10:18:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-12-01 10:18:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 10:18:09,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:10,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:18:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:10,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2019-12-01 10:18:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-12-01 10:18:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 10:18:10,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:18:10,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2019-12-01 10:18:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2019-12-01 10:18:10,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 10:18:10,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:18:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 75 states and 113 transitions. [2019-12-01 10:18:10,487 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2019-12-01 10:18:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 10:18:10,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:18:10,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 76 states and 114 transitions. [2019-12-01 10:18:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2019-12-01 10:18:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 10:18:10,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:10,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:18:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:10,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2019-12-01 10:18:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2019-12-01 10:18:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 10:18:10,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:18:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2019-12-01 10:18:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2019-12-01 10:18:10,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 10:18:10,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:10,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:18:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2019-12-01 10:18:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2019-12-01 10:18:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 10:18:10,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:11,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:18:11,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2019-12-01 10:18:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2019-12-01 10:18:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 10:18:11,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:18:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 170 transitions. [2019-12-01 10:18:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 170 transitions. [2019-12-01 10:18:11,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 10:18:11,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:11,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:18:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 166 transitions. [2019-12-01 10:18:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2019-12-01 10:18:11,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 10:18:11,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 10:18:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 182 transitions. [2019-12-01 10:18:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2019-12-01 10:18:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 10:18:12,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:18:12,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:12,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 119 states and 200 transitions. [2019-12-01 10:18:12,884 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 200 transitions. [2019-12-01 10:18:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 10:18:12,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:18:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 204 transitions. [2019-12-01 10:18:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2019-12-01 10:18:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 10:18:13,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:18:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:13,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 122 states and 205 transitions. [2019-12-01 10:18:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2019-12-01 10:18:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 10:18:13,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:18:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 206 transitions. [2019-12-01 10:18:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2019-12-01 10:18:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 10:18:13,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:18:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 136 states and 240 transitions. [2019-12-01 10:18:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 240 transitions. [2019-12-01 10:18:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 10:18:14,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:18:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 137 states and 241 transitions. [2019-12-01 10:18:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 241 transitions. [2019-12-01 10:18:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 10:18:14,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:18:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:15,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 267 transitions. [2019-12-01 10:18:15,104 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 267 transitions. [2019-12-01 10:18:15,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 10:18:15,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:18:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 269 transitions. [2019-12-01 10:18:15,283 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 269 transitions. [2019-12-01 10:18:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 10:18:15,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:18:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 155 states and 292 transitions. [2019-12-01 10:18:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 292 transitions. [2019-12-01 10:18:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 10:18:15,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:18:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 156 states and 293 transitions. [2019-12-01 10:18:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 293 transitions. [2019-12-01 10:18:15,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 10:18:15,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:18:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:15,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 157 states and 294 transitions. [2019-12-01 10:18:15,581 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 294 transitions. [2019-12-01 10:18:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 10:18:15,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 10:18:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 161 states and 301 transitions. [2019-12-01 10:18:15,804 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 301 transitions. [2019-12-01 10:18:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 10:18:15,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 10:18:16,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:16,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 165 states and 309 transitions. [2019-12-01 10:18:16,966 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 309 transitions. [2019-12-01 10:18:16,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 10:18:16,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 10:18:17,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:17,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 156 states and 286 transitions. [2019-12-01 10:18:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 286 transitions. [2019-12-01 10:18:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 10:18:17,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 10:18:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 154 states and 282 transitions. [2019-12-01 10:18:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 282 transitions. [2019-12-01 10:18:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 10:18:17,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 10:18:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 160 states and 295 transitions. [2019-12-01 10:18:17,882 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2019-12-01 10:18:17,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 10:18:17,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 10:18:17,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 160 states and 294 transitions. [2019-12-01 10:18:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 294 transitions. [2019-12-01 10:18:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 10:18:17,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 10:18:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 162 states and 297 transitions. [2019-12-01 10:18:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 297 transitions. [2019-12-01 10:18:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 10:18:17,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 10:18:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:18,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 164 states and 298 transitions. [2019-12-01 10:18:18,371 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 298 transitions. [2019-12-01 10:18:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 10:18:18,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:18,391 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 10:18:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 160 states and 288 transitions. [2019-12-01 10:18:18,421 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 288 transitions. [2019-12-01 10:18:18,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 10:18:18,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 10:18:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 161 states and 289 transitions. [2019-12-01 10:18:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 289 transitions. [2019-12-01 10:18:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 10:18:18,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 10:18:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 154 states and 276 transitions. [2019-12-01 10:18:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 276 transitions. [2019-12-01 10:18:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 10:18:18,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 10:18:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 165 states and 297 transitions. [2019-12-01 10:18:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 297 transitions. [2019-12-01 10:18:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 10:18:19,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:18:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:18:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-12-01 10:18:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:18:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 76 states and 107 transitions. [2019-12-01 10:18:20,251 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-12-01 10:18:20,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 10:18:20,251 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2019-12-01 10:18:20,258 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 10:18:20,474 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:18:20,477 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 10:18:20,480 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:18:20,480 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 10:18:20,481 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:18:20,481 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-12-01 10:18:20,482 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:18:20,482 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:18:20,482 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:18:20,483 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:18:20,483 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:18:20,483 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:18:20,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:18:20 ImpRootNode [2019-12-01 10:18:20,483 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 10:18:20,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 10:18:20,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 10:18:20,484 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 10:18:20,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:18:09" (3/4) ... [2019-12-01 10:18:20,487 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 10:18:20,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 10:18:20,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 10:18:20,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 10:18:20,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 10:18:20,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 10:18:20,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 10:18:20,497 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-12-01 10:18:20,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-01 10:18:20,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 10:18:20,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 10:18:20,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 10:18:20,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 10:18:20,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 10:18:20,519 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-12-01 10:18:20,520 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || tmp == methaneLevelCritical) || 0 == tmp) || !(pumpRunning == 0) [2019-12-01 10:18:20,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e342315d-6ee1-4327-a665-5923c273cd20/bin/ukojak/witness.graphml [2019-12-01 10:18:20,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 10:18:20,552 INFO L168 Benchmark]: Toolchain (without parser) took 11816.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 940.7 MB in the beginning and 1.2 GB in the end (delta: -256.0 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-12-01 10:18:20,552 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:18:20,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-01 10:18:20,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:18:20,553 INFO L168 Benchmark]: Boogie Preprocessor took 21.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 10:18:20,553 INFO L168 Benchmark]: RCFGBuilder took 574.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 975.4 MB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-12-01 10:18:20,553 INFO L168 Benchmark]: CodeCheck took 10786.40 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 231.2 MB). Free memory was 975.4 MB in the beginning and 1.2 GB in the end (delta: -225.0 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-12-01 10:18:20,553 INFO L168 Benchmark]: Witness Printer took 66.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2019-12-01 10:18:20,555 INFO L335 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, 48 locations, 1 error locations. Result: SAFE, OverallTime: 10.5s, OverallIterations: 38, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1362184240 SDtfs, 1205709778 SDslu, -1460862252 SDs, 0 SdLazy, 1508443922 SolverSat, 2078774608 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17043 GetRequests, 16656 SyntacticMatches, 141 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25097 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1716 NumberOfCodeBlocks, 1716 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1679 ConstructedInterpolants, 0 QuantifiedInterpolants, 176893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 23 PerfectInterpolantSequences, 772/853 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 269]: 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: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || tmp == methaneLevelCritical) || 0 == tmp) || !(pumpRunning == 0) - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 574.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 975.4 MB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * CodeCheck took 10786.40 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 231.2 MB). Free memory was 975.4 MB in the beginning and 1.2 GB in the end (delta: -225.0 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Witness Printer took 66.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...