./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/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 0.1.25-f470102 [2019-12-01 10:14:10,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 10:14:10,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 10:14:10,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 10:14:10,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 10:14:10,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 10:14:10,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 10:14:10,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 10:14:10,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 10:14:10,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 10:14:10,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 10:14:10,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 10:14:10,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 10:14:10,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 10:14:10,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 10:14:10,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 10:14:10,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 10:14:10,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 10:14:10,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 10:14:10,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 10:14:10,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 10:14:10,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 10:14:10,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 10:14:10,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 10:14:10,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 10:14:10,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 10:14:10,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 10:14:10,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 10:14:10,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 10:14:10,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 10:14:10,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 10:14:10,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 10:14:10,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 10:14:10,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 10:14:10,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 10:14:10,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 10:14:10,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 10:14:10,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 10:14:10,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 10:14:10,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 10:14:10,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 10:14:10,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 10:14:10,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 10:14:10,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 10:14:10,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 10:14:10,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 10:14:10,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 10:14:10,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 10:14:10,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 10:14:10,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 10:14:10,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 10:14:10,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 10:14:10,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 10:14:10,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 10:14:10,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 10:14:10,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 10:14:10,892 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 10:14:10,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 10:14:10,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 10:14:10,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 10:14:10,893 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 10:14:10,893 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 10:14:10,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 10:14:10,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 10:14:10,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 10:14:10,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 10:14:10,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 10:14:10,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 10:14:10,894 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 10:14:10,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 10:14:10,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 10:14:10,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/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 [2019-12-01 10:14:10,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 10:14:11,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 10:14:11,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 10:14:11,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 10:14:11,007 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 10:14:11,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-12-01 10:14:11,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/data/b22f34c36/a040e7ffc7814478be1b848a219e223c/FLAG18543a3e5 [2019-12-01 10:14:11,497 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 10:14:11,497 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-12-01 10:14:11,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/data/b22f34c36/a040e7ffc7814478be1b848a219e223c/FLAG18543a3e5 [2019-12-01 10:14:11,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/data/b22f34c36/a040e7ffc7814478be1b848a219e223c [2019-12-01 10:14:11,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 10:14:11,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 10:14:11,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 10:14:11,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 10:14:11,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 10:14:11,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11, skipping insertion in model container [2019-12-01 10:14:11,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 10:14:11,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 10:14:11,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:14:11,769 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 10:14:11,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:14:11,832 INFO L208 MainTranslator]: Completed translation [2019-12-01 10:14:11,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11 WrapperNode [2019-12-01 10:14:11,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 10:14:11,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 10:14:11,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 10:14:11,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 10:14:11,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 10:14:11,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 10:14:11,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 10:14:11,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 10:14:11,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... [2019-12-01 10:14:11,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 10:14:11,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 10:14:11,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 10:14:11,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 10:14:11,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:14:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 10:14:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 10:14:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 10:14:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 10:14:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 10:14:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 10:14:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 10:14:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 10:14:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 10:14:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 10:14:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 10:14:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 10:14:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 10:14:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 10:14:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 10:14:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 10:14:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 10:14:12,450 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 10:14:12,451 INFO L287 CfgBuilder]: Removed 36 assume(true) statements. [2019-12-01 10:14:12,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:14:12 BoogieIcfgContainer [2019-12-01 10:14:12,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 10:14:12,452 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 10:14:12,452 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 10:14:12,459 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 10:14:12,459 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:14:12" (1/1) ... [2019-12-01 10:14:12,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 10:14:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-12-01 10:14:12,492 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-12-01 10:14:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 10:14:12,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-12-01 10:14:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-12-01 10:14:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 10:14:12,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-12-01 10:14:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-12-01 10:14:12,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 10:14:12,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2019-12-01 10:14:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-12-01 10:14:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 10:14:12,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2019-12-01 10:14:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2019-12-01 10:14:13,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 10:14:13,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:13,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2019-12-01 10:14:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2019-12-01 10:14:13,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 10:14:13,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:13,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 104 transitions. [2019-12-01 10:14:13,178 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2019-12-01 10:14:13,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 10:14:13,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:13,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2019-12-01 10:14:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-12-01 10:14:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 10:14:13,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2019-12-01 10:14:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2019-12-01 10:14:13,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 10:14:13,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2019-12-01 10:14:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2019-12-01 10:14:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 10:14:13,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2019-12-01 10:14:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2019-12-01 10:14:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 10:14:13,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:14:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 145 transitions. [2019-12-01 10:14:13,986 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2019-12-01 10:14:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 10:14:13,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:14:14,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:14,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2019-12-01 10:14:14,207 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2019-12-01 10:14:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 10:14:14,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:14:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 153 transitions. [2019-12-01 10:14:14,247 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2019-12-01 10:14:14,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 10:14:14,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 10:14:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 173 transitions. [2019-12-01 10:14:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2019-12-01 10:14:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 10:14:15,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:14:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 191 transitions. [2019-12-01 10:14:15,448 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2019-12-01 10:14:15,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 10:14:15,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:14:15,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 195 transitions. [2019-12-01 10:14:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2019-12-01 10:14:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 10:14:15,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 10:14:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 216 transitions. [2019-12-01 10:14:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2019-12-01 10:14:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 10:14:16,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 10:14:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 246 transitions. [2019-12-01 10:14:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 246 transitions. [2019-12-01 10:14:16,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 10:14:16,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:14:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 133 states and 247 transitions. [2019-12-01 10:14:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-12-01 10:14:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 10:14:16,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:14:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 134 states and 248 transitions. [2019-12-01 10:14:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2019-12-01 10:14:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 10:14:16,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:16,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 10:14:16,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:16,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 249 transitions. [2019-12-01 10:14:16,888 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 249 transitions. [2019-12-01 10:14:16,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 10:14:16,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 10:14:16,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 136 states and 250 transitions. [2019-12-01 10:14:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 250 transitions. [2019-12-01 10:14:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 10:14:16,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 10:14:17,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 277 transitions. [2019-12-01 10:14:17,848 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2019-12-01 10:14:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 10:14:17,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:17,867 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 10:14:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 149 states and 284 transitions. [2019-12-01 10:14:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2019-12-01 10:14:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 10:14:18,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 10:14:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 293 transitions. [2019-12-01 10:14:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2019-12-01 10:14:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 10:14:19,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 10:14:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 151 states and 289 transitions. [2019-12-01 10:14:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 289 transitions. [2019-12-01 10:14:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 10:14:19,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 10:14:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 142 states and 266 transitions. [2019-12-01 10:14:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 266 transitions. [2019-12-01 10:14:19,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 10:14:19,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 10:14:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 148 states and 279 transitions. [2019-12-01 10:14:20,096 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-12-01 10:14:20,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 10:14:20,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 10:14:20,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 148 states and 278 transitions. [2019-12-01 10:14:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 278 transitions. [2019-12-01 10:14:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 10:14:20,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 10:14:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 150 states and 281 transitions. [2019-12-01 10:14:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 281 transitions. [2019-12-01 10:14:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 10:14:20,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 10:14:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 152 states and 282 transitions. [2019-12-01 10:14:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 282 transitions. [2019-12-01 10:14:20,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 10:14:20,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 10:14:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 148 states and 272 transitions. [2019-12-01 10:14:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 272 transitions. [2019-12-01 10:14:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 10:14:20,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 10:14:20,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:20,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 149 states and 273 transitions. [2019-12-01 10:14:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 273 transitions. [2019-12-01 10:14:20,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 10:14:20,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 10:14:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 142 states and 260 transitions. [2019-12-01 10:14:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2019-12-01 10:14:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 10:14:20,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 10:14:22,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:22,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 153 states and 282 transitions. [2019-12-01 10:14:22,031 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2019-12-01 10:14:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 10:14:22,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:14:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:14:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-01 10:14:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:14:22,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 76 states and 107 transitions. [2019-12-01 10:14:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-12-01 10:14:22,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 10:14:22,493 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2019-12-01 10:14:22,500 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 10:14:22,738 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 10:14:22,744 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:14:22,745 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 10:14:22,745 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-12-01 10:14:22,746 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:14:22,746 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 10:14:22,747 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:14:22,747 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:14:22,747 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:14:22,747 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:14:22,747 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:14:22,747 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:14:22,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:14:22 ImpRootNode [2019-12-01 10:14:22,748 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 10:14:22,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 10:14:22,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 10:14:22,748 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 10:14:22,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:14:12" (3/4) ... [2019-12-01 10:14:22,751 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 10:14:22,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 10:14:22,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 10:14:22,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 10:14:22,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 10:14:22,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 10:14:22,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 10:14:22,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-12-01 10:14:22,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-12-01 10:14:22,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 10:14:22,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 10:14:22,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 10:14:22,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 10:14:22,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 10:14:22,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-12-01 10:14:22,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-12-01 10:14:22,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || methaneLevelCritical == tmp) || !(pumpRunning == 0) [2019-12-01 10:14:22,815 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d6ccd7d3-70cd-4e56-8ec5-e1f8dc33833b/bin/ukojak/witness.graphml [2019-12-01 10:14:22,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 10:14:22,816 INFO L168 Benchmark]: Toolchain (without parser) took 11299.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 314.6 MB). Free memory was 943.3 MB in the beginning and 1.3 GB in the end (delta: -332.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:14:22,817 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:14:22,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-01 10:14:22,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:14:22,818 INFO L168 Benchmark]: Boogie Preprocessor took 22.09 ms. Allocated memory is still 1.1 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. [2019-12-01 10:14:22,818 INFO L168 Benchmark]: RCFGBuilder took 558.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2019-12-01 10:14:22,818 INFO L168 Benchmark]: CodeCheck took 10295.90 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 220.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -284.4 MB). Peak memory consumption was 383.9 MB. Max. memory is 11.5 GB. [2019-12-01 10:14:22,819 INFO L168 Benchmark]: Witness Printer took 67.06 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-12-01 10:14:22,820 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: 10.0s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 210522160 SDtfs, -1564270638 SDslu, -1204053284 SDs, 0 SdLazy, -1169846510 SolverSat, -42651312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16160 GetRequests, 15785 SyntacticMatches, 141 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22251 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1635 NumberOfCodeBlocks, 1635 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1599 ConstructedInterpolants, 0 QuantifiedInterpolants, 165771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 24 PerfectInterpolantSequences, 698/772 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: ((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || methaneLevelCritical == tmp) || !(pumpRunning == 0) - 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.09 ms. Allocated memory is still 1.1 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 558.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * CodeCheck took 10295.90 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 220.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -284.4 MB). Peak memory consumption was 383.9 MB. Max. memory is 11.5 GB. * Witness Printer took 67.06 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...