./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:17:40,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:40,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:40,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:40,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:40,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:40,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:40,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:40,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:40,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:40,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:40,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:40,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:40,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:40,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:40,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:40,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:40,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:40,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:40,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:40,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:40,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:40,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:40,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:40,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:40,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:40,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:40,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:40,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:40,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:40,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:40,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:40,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:40,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:40,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:40,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:40,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:40,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:40,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:40,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:40,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:40,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:17:40,623 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:40,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:40,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:40,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:40,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:40,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:40,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:40,626 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:40,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:40,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:40,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:40,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:40,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:40,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:40,627 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:40,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:40,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:40,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:40,628 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:40,628 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:40,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:40,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:40,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:40,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:40,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:40,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:40,633 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:40,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:40,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:40,633 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_ec14789e-b25a-44f0-b258-801a674d0165/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2019-10-22 10:17:40,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:40,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:40,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:40,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:40,701 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:40,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-10-22 10:17:40,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/data/78e63ac78/7ec967b598ab44458c3cc306db276f93/FLAG3adea0e43 [2019-10-22 10:17:41,195 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:41,196 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-10-22 10:17:41,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/data/78e63ac78/7ec967b598ab44458c3cc306db276f93/FLAG3adea0e43 [2019-10-22 10:17:41,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/data/78e63ac78/7ec967b598ab44458c3cc306db276f93 [2019-10-22 10:17:41,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:41,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:41,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:41,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:41,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:41,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46020af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41, skipping insertion in model container [2019-10-22 10:17:41,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,237 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:41,285 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:41,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:41,618 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:41,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:41,716 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:41,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41 WrapperNode [2019-10-22 10:17:41,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:41,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:41,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:41,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:41,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:41,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:41,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:41,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:41,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... [2019-10-22 10:17:41,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:41,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:41,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:41,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:41,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/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 10:17:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:17:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:17:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:17:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:17:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:17:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:17:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:17:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:17:41,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:17:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:17:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:17:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:17:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:17:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:17:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:42,810 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:42,810 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:17:42,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:42 BoogieIcfgContainer [2019-10-22 10:17:42,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:42,812 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:42,813 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:42,824 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:42,824 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:42" (1/1) ... [2019-10-22 10:17:42,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-10-22 10:17:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-10-22 10:17:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:17:42,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,096 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 10:17:43,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-10-22 10:17:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-10-22 10:17:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:17:43,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,198 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 10:17:43,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-10-22 10:17:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-10-22 10:17:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:17:43,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,354 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 10:17:43,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:43,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2019-10-22 10:17:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-10-22 10:17:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:17:43,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,551 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 10:17:43,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2019-10-22 10:17:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2019-10-22 10:17:43,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:17:43,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,878 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 10:17:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 69 states and 105 transitions. [2019-10-22 10:17:43,905 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 105 transitions. [2019-10-22 10:17:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:17:43,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,968 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 10:17:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 106 transitions. [2019-10-22 10:17:44,026 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2019-10-22 10:17:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:17:44,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,069 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 10:17:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 71 states and 107 transitions. [2019-10-22 10:17:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2019-10-22 10:17:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:17:44,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,117 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 10:17:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 108 transitions. [2019-10-22 10:17:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2019-10-22 10:17:44,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:17:44,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,271 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 10:17:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2019-10-22 10:17:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2019-10-22 10:17:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:17:44,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,897 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 10:17:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2019-10-22 10:17:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2019-10-22 10:17:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:17:44,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,981 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 10:17:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 147 transitions. [2019-10-22 10:17:45,309 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2019-10-22 10:17:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:17:45,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:45,382 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 10:17:45,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 99 states and 159 transitions. [2019-10-22 10:17:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2019-10-22 10:17:45,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:17:45,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:45,692 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 10:17:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 155 transitions. [2019-10-22 10:17:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2019-10-22 10:17:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:17:45,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:46,073 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 10:17:47,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 175 transitions. [2019-10-22 10:17:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 175 transitions. [2019-10-22 10:17:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:17:47,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:47,065 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 10:17:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 106 states and 179 transitions. [2019-10-22 10:17:47,278 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2019-10-22 10:17:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:17:47,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:47,304 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 10:17:47,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 115 states and 199 transitions. [2019-10-22 10:17:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 199 transitions. [2019-10-22 10:17:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:17:47,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:47,604 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 10:17:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 200 transitions. [2019-10-22 10:17:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2019-10-22 10:17:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:17:47,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:47,782 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 10:17:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 117 states and 201 transitions. [2019-10-22 10:17:47,924 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2019-10-22 10:17:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:17:47,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:47,949 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 10:17:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 118 states and 202 transitions. [2019-10-22 10:17:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 202 transitions. [2019-10-22 10:17:47,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:17:47,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:48,056 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 135 states and 251 transitions. [2019-10-22 10:17:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 251 transitions. [2019-10-22 10:17:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:17:49,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:49,500 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 136 states and 252 transitions. [2019-10-22 10:17:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 252 transitions. [2019-10-22 10:17:49,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:17:49,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:50,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 145 states and 279 transitions. [2019-10-22 10:17:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 279 transitions. [2019-10-22 10:17:50,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:17:50,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:50,592 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 10:17:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 149 states and 286 transitions. [2019-10-22 10:17:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 286 transitions. [2019-10-22 10:17:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:17:50,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-22 10:17:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 153 states and 295 transitions. [2019-10-22 10:17:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 295 transitions. [2019-10-22 10:17:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:17:52,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:52,133 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 10:17:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:52,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 143 states and 269 transitions. [2019-10-22 10:17:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 269 transitions. [2019-10-22 10:17:52,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:17:52,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:52,422 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 10:17:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 265 transitions. [2019-10-22 10:17:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 265 transitions. [2019-10-22 10:17:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:17:52,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:52,473 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 10:17:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:53,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 147 states and 278 transitions. [2019-10-22 10:17:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2019-10-22 10:17:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:17:53,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:53,154 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 10:17:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 147 states and 277 transitions. [2019-10-22 10:17:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 277 transitions. [2019-10-22 10:17:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:17:53,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:53,237 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 10:17:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 149 states and 280 transitions. [2019-10-22 10:17:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 280 transitions. [2019-10-22 10:17:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:17:53,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:17:53,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:53,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 151 states and 281 transitions. [2019-10-22 10:17:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 281 transitions. [2019-10-22 10:17:53,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:17:53,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:53,879 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 10:17:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:53,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 147 states and 271 transitions. [2019-10-22 10:17:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 271 transitions. [2019-10-22 10:17:53,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:17:53,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:53,942 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 10:17:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 148 states and 272 transitions. [2019-10-22 10:17:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 272 transitions. [2019-10-22 10:17:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:17:53,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:54,003 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 10:17:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 141 states and 259 transitions. [2019-10-22 10:17:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 259 transitions. [2019-10-22 10:17:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-22 10:17:54,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-22 10:17:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 152 states and 281 transitions. [2019-10-22 10:17:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 281 transitions. [2019-10-22 10:17:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-22 10:17:55,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-22 10:17:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 76 states and 107 transitions. [2019-10-22 10:17:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-10-22 10:17:56,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:17:56,258 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-10-22 10:17:56,268 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:17:56,559 INFO L575 CodeCheckObserver]: Invariant with dag size 11 [2019-10-22 10:17:56,568 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:56,569 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:17:56,570 INFO L575 CodeCheckObserver]: Invariant with dag size 12 [2019-10-22 10:17:56,572 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:56,572 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:17:56,574 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:56,575 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:56,575 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:56,575 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:56,575 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:56,575 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:56,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:56 ImpRootNode [2019-10-22 10:17:56,575 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:56,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:56,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:56,576 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:56,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:42" (3/4) ... [2019-10-22 10:17:56,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:17:56,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:17:56,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:17:56,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:17:56,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:17:56,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:17:56,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:17:56,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-10-22 10:17:56,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-10-22 10:17:56,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:17:56,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:17:56,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:17:56,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:17:56,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-10-22 10:17:56,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-10-22 10:17:56,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == tmp [2019-10-22 10:17:56,672 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ec14789e-b25a-44f0-b258-801a674d0165/bin/ukojak/witness.graphml [2019-10-22 10:17:56,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:56,674 INFO L168 Benchmark]: Toolchain (without parser) took 15451.43 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 511.7 MB). Free memory was 944.5 MB in the beginning and 1.4 GB in the end (delta: -432.5 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:56,674 INFO L168 Benchmark]: CDTParser took 1.01 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 10:17:56,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:56,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.84 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:56,675 INFO L168 Benchmark]: Boogie Preprocessor took 51.69 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 10:17:56,676 INFO L168 Benchmark]: RCFGBuilder took 973.66 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: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:56,676 INFO L168 Benchmark]: CodeCheck took 13763.07 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 355.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -336.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:56,676 INFO L168 Benchmark]: Witness Printer took 96.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:56,679 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, 47 locations, 1 error locations. Result: SAFE, OverallTime: 13.4s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 102910000 SDtfs, -805426222 SDslu, 1515430620 SDs, 0 SdLazy, 1503119122 SolverSat, 2114606416 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15607 GetRequests, 15221 SyntacticMatches, 144 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24061 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1584 NumberOfCodeBlocks, 1584 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1549 ConstructedInterpolants, 0 QuantifiedInterpolants, 160309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 25 PerfectInterpolantSequences, 683/751 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: 402]: 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: 247]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == tmp - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 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 493.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.84 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 973.66 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: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * CodeCheck took 13763.07 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 355.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -336.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Witness Printer took 96.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...