./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/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 384c0d348196326a7d81e106f1c497f9cd3f1b7c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:31:33,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:31:33,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:31:33,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:31:33,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:31:33,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:31:33,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:31:33,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:31:33,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:31:33,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:31:33,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:31:33,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:31:33,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:31:33,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:31:33,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:31:33,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:31:33,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:31:33,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:31:33,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:31:33,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:31:33,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:31:33,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:31:33,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:31:33,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:31:33,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:31:33,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:31:33,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:31:33,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:31:33,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:31:33,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:31:33,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:31:33,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:31:33,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:31:33,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:31:33,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:31:33,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:31:33,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:31:33,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:31:33,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:31:33,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:31:33,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:31:33,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:31:33,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:31:33,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:31:33,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:31:33,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:31:33,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:31:33,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:31:33,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:31:33,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:31:33,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:31:33,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:31:33,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:31:33,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:31:33,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:31:33,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:31:33,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:31:33,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:31:33,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:31:33,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:31:33,197 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:31:33,198 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:31:33,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:31:33,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:31:33,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:31:33,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:31:33,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:31:33,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:31:33,199 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:31:33,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:31:33,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:31:33,200 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_628879c6-c1e4-4e42-8391-db83ea54b012/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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2019-11-26 02:31:33,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:31:33,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:31:33,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:31:33,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:31:33,351 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:31:33,351 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2019-11-26 02:31:33,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/data/362e12d75/2bb3f20f8d214e9a9ec9b82b00f47bd3/FLAGd39ef658e [2019-11-26 02:31:33,814 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:31:33,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2019-11-26 02:31:33,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/data/362e12d75/2bb3f20f8d214e9a9ec9b82b00f47bd3/FLAGd39ef658e [2019-11-26 02:31:33,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/data/362e12d75/2bb3f20f8d214e9a9ec9b82b00f47bd3 [2019-11-26 02:31:33,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:31:33,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:31:33,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:31:33,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:31:33,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:31:33,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:31:33" (1/1) ... [2019-11-26 02:31:33,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43664afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:33, skipping insertion in model container [2019-11-26 02:31:33,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:31:33" (1/1) ... [2019-11-26 02:31:33,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:31:33,895 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:31:34,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:31:34,252 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:31:34,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:31:34,351 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:31:34,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34 WrapperNode [2019-11-26 02:31:34,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:31:34,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:31:34,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:31:34,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:31:34,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... [2019-11-26 02:31:34,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... [2019-11-26 02:31:34,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:31:34,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:31:34,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:31:34,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:31:34,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... [2019-11-26 02:31:34,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... [2019-11-26 02:31:34,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... [2019-11-26 02:31:34,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... [2019-11-26 02:31:34,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... [2019-11-26 02:31:34,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... [2019-11-26 02:31:34,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... [2019-11-26 02:31:34,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:31:34,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:31:34,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:31:34,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:31:34,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:31:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/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 [2019-11-26 02:31:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:31:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:31:34,523 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:31:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:31:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:31:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:31:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:31:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:31:34,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:31:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:31:34,525 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:31:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:31:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:31:34,526 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:31:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:31:34,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:31:35,488 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:31:35,488 INFO L284 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-26 02:31:35,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:31:35 BoogieIcfgContainer [2019-11-26 02:31:35,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:31:35,490 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:31:35,490 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:31:35,500 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:31:35,501 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:31:35" (1/1) ... [2019-11-26 02:31:35,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:31:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2019-11-26 02:31:35,556 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2019-11-26 02:31:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:31:35,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-26 02:31:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-26 02:31:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:31:35,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:35,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:35,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2019-11-26 02:31:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2019-11-26 02:31:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:31:35,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2019-11-26 02:31:36,198 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2019-11-26 02:31:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:31:36,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2019-11-26 02:31:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2019-11-26 02:31:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:31:36,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 76 states and 115 transitions. [2019-11-26 02:31:36,921 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2019-11-26 02:31:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:31:36,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:36,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 77 states and 116 transitions. [2019-11-26 02:31:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2019-11-26 02:31:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:31:37,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:31:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2019-11-26 02:31:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2019-11-26 02:31:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:31:37,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:37,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2019-11-26 02:31:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2019-11-26 02:31:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:31:37,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:31:37,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 89 states and 139 transitions. [2019-11-26 02:31:37,799 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2019-11-26 02:31:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:31:37,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:31:38,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 100 states and 159 transitions. [2019-11-26 02:31:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2019-11-26 02:31:38,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:31:38,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:31:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 106 states and 172 transitions. [2019-11-26 02:31:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2019-11-26 02:31:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:31:38,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:31:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 168 transitions. [2019-11-26 02:31:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2019-11-26 02:31:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:31:39,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:31:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 185 transitions. [2019-11-26 02:31:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 185 transitions. [2019-11-26 02:31:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:31:40,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:31:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 203 transitions. [2019-11-26 02:31:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 203 transitions. [2019-11-26 02:31:40,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:31:40,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:31:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 122 states and 207 transitions. [2019-11-26 02:31:41,250 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2019-11-26 02:31:41,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:31:41,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:31:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:41,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 208 transitions. [2019-11-26 02:31:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2019-11-26 02:31:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:31:41,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:31:41,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 124 states and 209 transitions. [2019-11-26 02:31:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2019-11-26 02:31:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:31:41,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:31:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 244 transitions. [2019-11-26 02:31:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 244 transitions. [2019-11-26 02:31:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:31:42,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:42,955 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:31:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:43,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 144 states and 266 transitions. [2019-11-26 02:31:43,231 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 266 transitions. [2019-11-26 02:31:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-26 02:31:43,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:31:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 153 states and 294 transitions. [2019-11-26 02:31:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 294 transitions. [2019-11-26 02:31:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-26 02:31:44,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:31:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 154 states and 295 transitions. [2019-11-26 02:31:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 295 transitions. [2019-11-26 02:31:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-26 02:31:44,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-26 02:31:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 156 states and 297 transitions. [2019-11-26 02:31:45,031 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 297 transitions. [2019-11-26 02:31:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-26 02:31:45,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:31:45,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 157 states and 298 transitions. [2019-11-26 02:31:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 298 transitions. [2019-11-26 02:31:45,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-26 02:31:45,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:31:45,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:45,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 158 states and 299 transitions. [2019-11-26 02:31:45,146 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 299 transitions. [2019-11-26 02:31:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-26 02:31:45,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 02:31:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 162 states and 306 transitions. [2019-11-26 02:31:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 306 transitions. [2019-11-26 02:31:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-26 02:31:45,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-26 02:31:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 166 states and 315 transitions. [2019-11-26 02:31:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 315 transitions. [2019-11-26 02:31:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-26 02:31:47,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:31:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 157 states and 292 transitions. [2019-11-26 02:31:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 292 transitions. [2019-11-26 02:31:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 02:31:47,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 02:31:47,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 155 states and 288 transitions. [2019-11-26 02:31:47,434 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 288 transitions. [2019-11-26 02:31:47,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 02:31:47,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:31:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:48,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 161 states and 301 transitions. [2019-11-26 02:31:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 301 transitions. [2019-11-26 02:31:48,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-26 02:31:48,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:48,450 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 02:31:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 161 states and 300 transitions. [2019-11-26 02:31:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 300 transitions. [2019-11-26 02:31:48,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-26 02:31:48,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-26 02:31:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 163 states and 303 transitions. [2019-11-26 02:31:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2019-11-26 02:31:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-26 02:31:48,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-26 02:31:49,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 165 states and 304 transitions. [2019-11-26 02:31:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 304 transitions. [2019-11-26 02:31:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-26 02:31:49,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:49,377 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-26 02:31:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 166 states and 305 transitions. [2019-11-26 02:31:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 305 transitions. [2019-11-26 02:31:49,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-26 02:31:49,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:49,451 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-26 02:31:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:49,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 162 states and 295 transitions. [2019-11-26 02:31:49,490 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 295 transitions. [2019-11-26 02:31:49,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-26 02:31:49,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:49,524 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-26 02:31:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 155 states and 282 transitions. [2019-11-26 02:31:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 282 transitions. [2019-11-26 02:31:49,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-26 02:31:49,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:31:51,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 166 states and 304 transitions. [2019-11-26 02:31:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 304 transitions. [2019-11-26 02:31:51,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-26 02:31:51,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:31:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:31:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-26 02:31:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:31:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 76 states and 107 transitions. [2019-11-26 02:31:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-26 02:31:52,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:31:52,408 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2019-11-26 02:31:52,417 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:31:52,806 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:31:52,809 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:31:52,809 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:31:52,810 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:31:52,810 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-11-26 02:31:52,813 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:31:52,813 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:31:52,814 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:31:52,814 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:31:52,814 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:31:52,814 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:31:52,815 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:31:52,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:31:52 ImpRootNode [2019-11-26 02:31:52,815 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:31:52,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:31:52,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:31:52,816 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:31:52,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:31:35" (3/4) ... [2019-11-26 02:31:52,819 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:31:52,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:31:52,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:31:52,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-26 02:31:52,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:31:52,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:31:52,825 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:31:52,831 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-26 02:31:52,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-26 02:31:52,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:31:52,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:31:52,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:31:52,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:31:52,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:31:52,861 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-26 02:31:52,862 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || methaneLevelCritical == tmp) || 0 == tmp) || !(pumpRunning == 0) [2019-11-26 02:31:52,893 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_628879c6-c1e4-4e42-8391-db83ea54b012/bin/ukojak/witness.graphml [2019-11-26 02:31:52,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:31:52,895 INFO L168 Benchmark]: Toolchain (without parser) took 19054.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 382.2 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -236.9 MB). Peak memory consumption was 145.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:52,895 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:31:52,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:52,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:52,896 INFO L168 Benchmark]: Boogie Preprocessor took 30.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:52,897 INFO L168 Benchmark]: RCFGBuilder took 1045.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:52,897 INFO L168 Benchmark]: CodeCheck took 17325.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -137.3 MB). Peak memory consumption was 102.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:31:52,897 INFO L168 Benchmark]: Witness Printer took 77.83 ms. Allocated memory is still 1.4 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. [2019-11-26 02:31:52,899 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, 49 locations, 1 error locations. Result: SAFE, OverallTime: 16.8s, OverallIterations: 38, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1361397808 SDtfs, 1212394450 SDslu, -1381162276 SDs, 0 SdLazy, 1528170274 SolverSat, 2080675168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17598 GetRequests, 17211 SyntacticMatches, 141 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25085 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1759 NumberOfCodeBlocks, 1759 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1722 ConstructedInterpolants, 0 QuantifiedInterpolants, 183236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 23 PerfectInterpolantSequences, 775/856 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: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || methaneLevelCritical == tmp) || 0 == tmp) || !(pumpRunning == 0) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 510.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1045.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 17325.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 239.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -137.3 MB). Peak memory consumption was 102.3 MB. Max. memory is 11.5 GB. * Witness Printer took 77.83 ms. Allocated memory is still 1.4 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...