./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/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 f73634e342cf3e7f84044af175d79019321da0bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:13:37,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:37,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:37,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:37,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:37,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:37,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:37,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:37,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:37,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:37,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:37,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:37,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:37,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:37,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:37,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:37,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:37,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:37,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:37,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:37,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:37,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:37,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:37,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:37,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:37,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:37,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:37,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:37,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:37,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:37,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:37,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:37,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:37,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:37,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:37,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:37,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:37,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:37,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:37,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:37,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:37,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:13:37,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:37,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:37,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:13:37,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:13:37,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:37,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:37,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:37,204 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:37,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:37,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:37,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:37,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:13:37,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:37,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:13:37,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:37,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:13:37,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:37,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:13:37,206 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:37,206 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:37,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:37,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:37,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:37,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:37,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:37,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:13:37,207 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:37,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:37,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:13:37,207 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/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/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 -> f73634e342cf3e7f84044af175d79019321da0bc [2019-10-22 10:13:37,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:37,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:37,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:37,246 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:37,247 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:37,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2019-10-22 10:13:37,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/data/0da8787bf/67227d34f9df4c3fa9ea83efbe42158c/FLAGe85d513dc [2019-10-22 10:13:37,729 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:37,730 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2019-10-22 10:13:37,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/data/0da8787bf/67227d34f9df4c3fa9ea83efbe42158c/FLAGe85d513dc [2019-10-22 10:13:37,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/data/0da8787bf/67227d34f9df4c3fa9ea83efbe42158c [2019-10-22 10:13:37,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:37,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:37,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:37,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:37,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:37,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:37" (1/1) ... [2019-10-22 10:13:37,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de3efe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:37, skipping insertion in model container [2019-10-22 10:13:37,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:37" (1/1) ... [2019-10-22 10:13:37,772 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:37,805 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:38,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:38,149 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:38,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:38,280 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:38,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38 WrapperNode [2019-10-22 10:13:38,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:38,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:38,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:38,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:38,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... [2019-10-22 10:13:38,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... [2019-10-22 10:13:38,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:38,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:38,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:38,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:38,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... [2019-10-22 10:13:38,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... [2019-10-22 10:13:38,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... [2019-10-22 10:13:38,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... [2019-10-22 10:13:38,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... [2019-10-22 10:13:38,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... [2019-10-22 10:13:38,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... [2019-10-22 10:13:38,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:38,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:38,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:38,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:38,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/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 [2019-10-22 10:13:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:13:38,459 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:13:38,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:13:38,460 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:13:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:13:38,460 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:13:38,460 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:13:38,460 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:13:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:13:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:13:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:13:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-22 10:13:38,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-22 10:13:38,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:13:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:13:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:13:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:39,269 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:39,269 INFO L284 CfgBuilder]: Removed 32 assume(true) statements. [2019-10-22 10:13:39,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:39 BoogieIcfgContainer [2019-10-22 10:13:39,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:39,271 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:39,271 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:39,282 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:39,282 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:39" (1/1) ... [2019-10-22 10:13:39,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:39,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2019-10-22 10:13:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2019-10-22 10:13:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:13:39,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:39,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2019-10-22 10:13:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2019-10-22 10:13:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:13:39,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:39,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2019-10-22 10:13:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2019-10-22 10:13:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:13:39,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:39,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2019-10-22 10:13:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2019-10-22 10:13:39,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:13:39,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2019-10-22 10:13:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2019-10-22 10:13:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:13:40,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2019-10-22 10:13:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2019-10-22 10:13:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:13:40,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:40,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2019-10-22 10:13:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2019-10-22 10:13:40,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:13:40,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 82 states and 121 transitions. [2019-10-22 10:13:40,666 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2019-10-22 10:13:40,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:13:40,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 100 states and 159 transitions. [2019-10-22 10:13:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2019-10-22 10:13:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:13:41,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 101 states and 160 transitions. [2019-10-22 10:13:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2019-10-22 10:13:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:13:41,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 112 states and 184 transitions. [2019-10-22 10:13:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 184 transitions. [2019-10-22 10:13:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:13:42,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 185 transitions. [2019-10-22 10:13:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 185 transitions. [2019-10-22 10:13:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:13:42,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:42,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2019-10-22 10:13:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2019-10-22 10:13:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:13:42,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 214 transitions. [2019-10-22 10:13:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2019-10-22 10:13:43,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:13:43,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 210 transitions. [2019-10-22 10:13:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2019-10-22 10:13:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:13:43,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:13:44,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 228 transitions. [2019-10-22 10:13:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2019-10-22 10:13:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:13:44,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:44,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 131 states and 232 transitions. [2019-10-22 10:13:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 232 transitions. [2019-10-22 10:13:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:13:44,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 140 states and 250 transitions. [2019-10-22 10:13:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-10-22 10:13:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:13:45,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:13:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:45,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 265 transitions. [2019-10-22 10:13:45,623 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 265 transitions. [2019-10-22 10:13:45,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:13:45,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:45,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:45,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 150 states and 266 transitions. [2019-10-22 10:13:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2019-10-22 10:13:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:13:45,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:13:45,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:45,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 267 transitions. [2019-10-22 10:13:45,728 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 267 transitions. [2019-10-22 10:13:45,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:13:45,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:13:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:45,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 152 states and 268 transitions. [2019-10-22 10:13:45,771 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 268 transitions. [2019-10-22 10:13:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:13:45,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:13:46,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 297 transitions. [2019-10-22 10:13:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 297 transitions. [2019-10-22 10:13:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 10:13:46,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:13:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:49,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 182 states and 343 transitions. [2019-10-22 10:13:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 343 transitions. [2019-10-22 10:13:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:13:49,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:13:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 196 states and 400 transitions. [2019-10-22 10:13:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 400 transitions. [2019-10-22 10:13:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:13:51,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:51,090 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:13:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 203 states and 438 transitions. [2019-10-22 10:13:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 438 transitions. [2019-10-22 10:13:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 10:13:51,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:13:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:52,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 204 states and 441 transitions. [2019-10-22 10:13:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 441 transitions. [2019-10-22 10:13:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:13:52,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:13:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:52,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 205 states and 442 transitions. [2019-10-22 10:13:52,189 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 442 transitions. [2019-10-22 10:13:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:13:52,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:52,487 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:13:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 208 states and 458 transitions. [2019-10-22 10:13:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 458 transitions. [2019-10-22 10:13:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:13:53,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:13:53,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 210 states and 465 transitions. [2019-10-22 10:13:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 465 transitions. [2019-10-22 10:13:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:13:53,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:13:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 211 states and 468 transitions. [2019-10-22 10:13:53,857 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 468 transitions. [2019-10-22 10:13:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 10:13:53,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:13:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 216 states and 479 transitions. [2019-10-22 10:13:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 479 transitions. [2019-10-22 10:13:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:13:54,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:13:54,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 221 states and 487 transitions. [2019-10-22 10:13:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 487 transitions. [2019-10-22 10:13:54,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 10:13:54,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:13:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:54,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 222 states and 488 transitions. [2019-10-22 10:13:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 488 transitions. [2019-10-22 10:13:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:13:54,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:13:54,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 223 states and 489 transitions. [2019-10-22 10:13:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 489 transitions. [2019-10-22 10:13:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 10:13:54,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:13:54,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 227 states and 501 transitions. [2019-10-22 10:13:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 501 transitions. [2019-10-22 10:13:54,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:13:54,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:13:55,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 229 states and 503 transitions. [2019-10-22 10:13:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 503 transitions. [2019-10-22 10:13:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:13:55,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-22 10:13:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 230 states and 504 transitions. [2019-10-22 10:13:55,204 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 504 transitions. [2019-10-22 10:13:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:13:55,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:13:55,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 234 states and 513 transitions. [2019-10-22 10:13:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 513 transitions. [2019-10-22 10:13:55,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:13:55,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-22 10:13:56,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:56,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 225 states and 484 transitions. [2019-10-22 10:13:56,213 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 484 transitions. [2019-10-22 10:13:56,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:13:56,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:13:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 223 states and 480 transitions. [2019-10-22 10:13:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 480 transitions. [2019-10-22 10:13:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:13:56,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:13:56,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:56,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 224 states and 482 transitions. [2019-10-22 10:13:56,775 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 482 transitions. [2019-10-22 10:13:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:13:56,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:56,803 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:13:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 226 states and 486 transitions. [2019-10-22 10:13:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 486 transitions. [2019-10-22 10:13:57,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:13:57,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-22 10:13:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 228 states and 487 transitions. [2019-10-22 10:13:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 487 transitions. [2019-10-22 10:13:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:13:57,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:13:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 230 states and 490 transitions. [2019-10-22 10:13:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 490 transitions. [2019-10-22 10:13:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:13:57,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:13:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 232 states and 493 transitions. [2019-10-22 10:13:57,732 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 493 transitions. [2019-10-22 10:13:57,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:13:57,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:13:57,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 233 states and 494 transitions. [2019-10-22 10:13:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 494 transitions. [2019-10-22 10:13:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:13:57,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:13:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 234 states and 495 transitions. [2019-10-22 10:13:57,857 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 495 transitions. [2019-10-22 10:13:57,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:13:57,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,884 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:13:57,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 229 states and 485 transitions. [2019-10-22 10:13:57,913 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 485 transitions. [2019-10-22 10:13:57,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:13:57,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:13:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 224 states and 473 transitions. [2019-10-22 10:13:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 473 transitions. [2019-10-22 10:13:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-22 10:13:57,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:13:58,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:58,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 226 states and 474 transitions. [2019-10-22 10:13:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 474 transitions. [2019-10-22 10:13:58,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-22 10:13:58,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-22 10:13:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 226 states and 469 transitions. [2019-10-22 10:13:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 469 transitions. [2019-10-22 10:13:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-22 10:13:58,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:13:59,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:59,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 233 states and 492 transitions. [2019-10-22 10:13:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 492 transitions. [2019-10-22 10:13:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-22 10:13:59,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:14:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 236 states and 496 transitions. [2019-10-22 10:14:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 496 transitions. [2019-10-22 10:14:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-22 10:14:00,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 10:14:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 235 states and 487 transitions. [2019-10-22 10:14:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 487 transitions. [2019-10-22 10:14:00,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-22 10:14:00,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-22 10:14:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 84 states and 111 transitions. [2019-10-22 10:14:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2019-10-22 10:14:01,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:14:01,262 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2019-10-22 10:14:01,272 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:14:01,630 INFO L575 CodeCheckObserver]: Invariant with dag size 16 [2019-10-22 10:14:01,638 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:01,639 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:01,639 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:01,639 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:14:01,640 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:01,641 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:01,642 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:01,642 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:01,642 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:01,642 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:01,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:01 ImpRootNode [2019-10-22 10:14:01,643 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:01,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:01,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:01,644 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:01,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:39" (3/4) ... [2019-10-22 10:14:01,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:14:01,653 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:14:01,653 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:14:01,653 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:14:01,653 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:14:01,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:14:01,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:14:01,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-10-22 10:14:01,661 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-10-22 10:14:01,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 10:14:01,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:14:01,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:14:01,663 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:14:01,663 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:14:01,695 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive [2019-10-22 10:14:01,728 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d515da49-208b-4ff6-8f15-65642ac7345b/bin/ukojak/witness.graphml [2019-10-22 10:14:01,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:01,731 INFO L168 Benchmark]: Toolchain (without parser) took 23972.06 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 440.4 MB). Free memory was 944.4 MB in the beginning and 859.6 MB in the end (delta: 84.8 MB). Peak memory consumption was 525.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:01,731 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:01,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:01,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:01,732 INFO L168 Benchmark]: Boogie Preprocessor took 44.63 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. [2019-10-22 10:14:01,732 INFO L168 Benchmark]: RCFGBuilder took 872.34 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:01,733 INFO L168 Benchmark]: CodeCheck took 22372.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 298.8 MB). Free memory was 1.1 GB in the beginning and 875.1 MB in the end (delta: 178.2 MB). Peak memory consumption was 477.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:01,733 INFO L168 Benchmark]: Witness Printer took 84.66 ms. Allocated memory is still 1.5 GB. Free memory was 875.1 MB in the beginning and 859.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:01,735 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 8 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 21.9s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 697434944 SDtfs, 986731164 SDslu, 1435984424 SDs, 0 SdLazy, 177893696 SolverSat, 279609192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30657 GetRequests, 30155 SyntacticMatches, 148 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57504 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2749 NumberOfCodeBlocks, 2749 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2694 ConstructedInterpolants, 0 QuantifiedInterpolants, 273755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 42 PerfectInterpolantSequences, 1300/1360 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: 113]: 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: 132]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: 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 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 522.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.63 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 872.34 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * CodeCheck took 22372.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 298.8 MB). Free memory was 1.1 GB in the beginning and 875.1 MB in the end (delta: 178.2 MB). Peak memory consumption was 477.1 MB. Max. memory is 11.5 GB. * Witness Printer took 84.66 ms. Allocated memory is still 1.5 GB. Free memory was 875.1 MB in the beginning and 859.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...