./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f73634e342cf3e7f84044af175d79019321da0bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:41:05,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:41:05,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:41:05,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:41:05,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:41:05,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:41:05,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:41:05,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:41:05,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:41:05,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:41:05,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:41:05,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:41:05,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:41:05,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:41:05,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:41:05,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:41:05,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:41:05,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:41:05,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:41:05,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:41:05,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:41:05,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:41:05,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:41:05,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:41:05,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:41:05,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:41:05,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:41:05,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:41:05,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:41:05,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:41:05,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:41:05,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:41:05,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:41:05,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:41:05,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:41:05,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:41:05,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:41:05,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:41:05,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:41:05,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:41:05,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:41:05,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 02:41:05,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:41:05,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:41:05,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:41:05,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:41:05,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:41:05,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:41:05,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:41:05,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:41:05,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:41:05,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:41:05,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:41:05,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:41:05,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:41:05,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:41:05,923 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:41:05,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:41:05,923 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:41:05,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:41:05,924 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:41:05,924 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:41:05,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:41:05,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:41:05,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:41:05,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:41:05,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:41:05,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:41:05,925 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:41:05,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:41:05,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:41:05,926 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_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f73634e342cf3e7f84044af175d79019321da0bc [2019-11-20 02:41:06,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:41:06,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:41:06,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:41:06,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:41:06,102 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:41:06,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2019-11-20 02:41:06,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/data/f00a5c613/2c4ecf31849c4e05b21555614a79f003/FLAG85e8b0aff [2019-11-20 02:41:06,578 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:41:06,581 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2019-11-20 02:41:06,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/data/f00a5c613/2c4ecf31849c4e05b21555614a79f003/FLAG85e8b0aff [2019-11-20 02:41:06,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/data/f00a5c613/2c4ecf31849c4e05b21555614a79f003 [2019-11-20 02:41:06,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:41:06,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:41:06,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:41:06,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:41:06,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:41:06,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:41:06" (1/1) ... [2019-11-20 02:41:06,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e1ca53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:06, skipping insertion in model container [2019-11-20 02:41:06,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:41:06" (1/1) ... [2019-11-20 02:41:06,973 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:41:07,015 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:41:07,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:41:07,333 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:41:07,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:41:07,434 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:41:07,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07 WrapperNode [2019-11-20 02:41:07,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:41:07,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:41:07,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:41:07,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:41:07,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... [2019-11-20 02:41:07,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... [2019-11-20 02:41:07,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:41:07,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:41:07,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:41:07,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:41:07,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... [2019-11-20 02:41:07,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... [2019-11-20 02:41:07,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... [2019-11-20 02:41:07,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... [2019-11-20 02:41:07,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... [2019-11-20 02:41:07,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... [2019-11-20 02:41:07,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... [2019-11-20 02:41:07,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:41:07,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:41:07,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:41:07,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:41:07,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:41:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:41:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 02:41:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 02:41:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 02:41:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 02:41:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 02:41:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 02:41:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 02:41:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 02:41:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 02:41:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 02:41:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 02:41:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 02:41:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:41:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 02:41:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 02:41:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:41:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:41:08,398 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:41:08,398 INFO L285 CfgBuilder]: Removed 32 assume(true) statements. [2019-11-20 02:41:08,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:41:08 BoogieIcfgContainer [2019-11-20 02:41:08,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:41:08,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:41:08,400 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:41:08,411 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:41:08,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:41:08" (1/1) ... [2019-11-20 02:41:08,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:41:08,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2019-11-20 02:41:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2019-11-20 02:41:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 02:41:08,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:08,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:41:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2019-11-20 02:41:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2019-11-20 02:41:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 02:41:08,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:41:08,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2019-11-20 02:41:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2019-11-20 02:41:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 02:41:08,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:08,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:41:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:09,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2019-11-20 02:41:09,073 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2019-11-20 02:41:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:41:09,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:41:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2019-11-20 02:41:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2019-11-20 02:41:09,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:41:09,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:41:09,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2019-11-20 02:41:09,197 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2019-11-20 02:41:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:41:09,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:41:09,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2019-11-20 02:41:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2019-11-20 02:41:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 02:41:09,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:41:09,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 82 states and 121 transitions. [2019-11-20 02:41:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2019-11-20 02:41:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 02:41:09,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:41:10,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 100 states and 159 transitions. [2019-11-20 02:41:10,933 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2019-11-20 02:41:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 02:41:10,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:41:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 101 states and 160 transitions. [2019-11-20 02:41:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2019-11-20 02:41:10,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 02:41:10,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 184 transitions. [2019-11-20 02:41:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2019-11-20 02:41:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:41:11,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:11,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 185 transitions. [2019-11-20 02:41:11,783 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2019-11-20 02:41:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:41:11,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:11,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:11,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 113 states and 188 transitions. [2019-11-20 02:41:11,973 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 188 transitions. [2019-11-20 02:41:11,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:41:11,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2019-11-20 02:41:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2019-11-20 02:41:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 02:41:12,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 214 transitions. [2019-11-20 02:41:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2019-11-20 02:41:12,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 02:41:12,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:12,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 210 transitions. [2019-11-20 02:41:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2019-11-20 02:41:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 02:41:12,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 02:41:14,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 228 transitions. [2019-11-20 02:41:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2019-11-20 02:41:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 02:41:14,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 138 states and 246 transitions. [2019-11-20 02:41:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 246 transitions. [2019-11-20 02:41:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 02:41:14,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:14,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 139 states and 247 transitions. [2019-11-20 02:41:14,938 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 247 transitions. [2019-11-20 02:41:14,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 02:41:14,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:15,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 140 states and 248 transitions. [2019-11-20 02:41:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 248 transitions. [2019-11-20 02:41:15,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 02:41:15,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:41:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 142 states and 252 transitions. [2019-11-20 02:41:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 252 transitions. [2019-11-20 02:41:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 02:41:15,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:15,423 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 02:41:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 267 transitions. [2019-11-20 02:41:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 267 transitions. [2019-11-20 02:41:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 02:41:15,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 153 states and 274 transitions. [2019-11-20 02:41:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 274 transitions. [2019-11-20 02:41:16,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 02:41:16,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 02:41:16,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:16,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 154 states and 275 transitions. [2019-11-20 02:41:16,397 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 275 transitions. [2019-11-20 02:41:16,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 02:41:16,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 297 transitions. [2019-11-20 02:41:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 297 transitions. [2019-11-20 02:41:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 02:41:17,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:41:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 182 states and 343 transitions. [2019-11-20 02:41:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 343 transitions. [2019-11-20 02:41:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 02:41:19,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:20,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 189 states and 375 transitions. [2019-11-20 02:41:20,519 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 375 transitions. [2019-11-20 02:41:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 02:41:20,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:41:22,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 203 states and 429 transitions. [2019-11-20 02:41:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 429 transitions. [2019-11-20 02:41:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 02:41:22,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:22,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 204 states and 430 transitions. [2019-11-20 02:41:22,921 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 430 transitions. [2019-11-20 02:41:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 02:41:22,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 207 states and 442 transitions. [2019-11-20 02:41:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 442 transitions. [2019-11-20 02:41:24,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 02:41:24,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:24,464 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:41:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 210 states and 447 transitions. [2019-11-20 02:41:24,491 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 447 transitions. [2019-11-20 02:41:24,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 02:41:24,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:41:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 212 states and 454 transitions. [2019-11-20 02:41:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 454 transitions. [2019-11-20 02:41:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 02:41:24,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:41:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:25,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 213 states and 455 transitions. [2019-11-20 02:41:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 455 transitions. [2019-11-20 02:41:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 02:41:25,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:25,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 214 states and 456 transitions. [2019-11-20 02:41:25,094 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 456 transitions. [2019-11-20 02:41:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 02:41:25,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:41:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:25,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 218 states and 468 transitions. [2019-11-20 02:41:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 468 transitions. [2019-11-20 02:41:25,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 02:41:25,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 221 states and 473 transitions. [2019-11-20 02:41:25,673 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 473 transitions. [2019-11-20 02:41:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 02:41:25,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 223 states and 474 transitions. [2019-11-20 02:41:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 474 transitions. [2019-11-20 02:41:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 02:41:25,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 224 states and 477 transitions. [2019-11-20 02:41:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 477 transitions. [2019-11-20 02:41:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 02:41:26,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:26,065 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:41:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 226 states and 479 transitions. [2019-11-20 02:41:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 479 transitions. [2019-11-20 02:41:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 02:41:26,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 02:41:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 227 states and 480 transitions. [2019-11-20 02:41:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 480 transitions. [2019-11-20 02:41:26,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 02:41:26,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:26,354 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 02:41:26,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 228 states and 481 transitions. [2019-11-20 02:41:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 481 transitions. [2019-11-20 02:41:26,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 02:41:26,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:26,408 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 02:41:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 232 states and 490 transitions. [2019-11-20 02:41:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 490 transitions. [2019-11-20 02:41:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 02:41:27,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 02:41:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 230 states and 486 transitions. [2019-11-20 02:41:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 486 transitions. [2019-11-20 02:41:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 02:41:27,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:41:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 231 states and 488 transitions. [2019-11-20 02:41:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 488 transitions. [2019-11-20 02:41:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 02:41:27,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 02:41:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 233 states and 492 transitions. [2019-11-20 02:41:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 492 transitions. [2019-11-20 02:41:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 02:41:28,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:28,211 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 02:41:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 235 states and 495 transitions. [2019-11-20 02:41:28,240 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 495 transitions. [2019-11-20 02:41:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 02:41:28,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 02:41:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:28,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 237 states and 498 transitions. [2019-11-20 02:41:28,300 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 498 transitions. [2019-11-20 02:41:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 02:41:28,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 02:41:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 228 states and 472 transitions. [2019-11-20 02:41:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 472 transitions. [2019-11-20 02:41:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 02:41:28,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-20 02:41:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 230 states and 473 transitions. [2019-11-20 02:41:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 473 transitions. [2019-11-20 02:41:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 02:41:29,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 02:41:29,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 231 states and 474 transitions. [2019-11-20 02:41:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 474 transitions. [2019-11-20 02:41:29,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 02:41:29,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 02:41:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 232 states and 475 transitions. [2019-11-20 02:41:29,246 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 475 transitions. [2019-11-20 02:41:29,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 02:41:29,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 02:41:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 234 states and 476 transitions. [2019-11-20 02:41:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 476 transitions. [2019-11-20 02:41:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 02:41:29,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 02:41:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 229 states and 464 transitions. [2019-11-20 02:41:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 464 transitions. [2019-11-20 02:41:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 02:41:29,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 02:41:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:29,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 224 states and 454 transitions. [2019-11-20 02:41:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 454 transitions. [2019-11-20 02:41:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 02:41:29,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 02:41:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:30,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 222 states and 447 transitions. [2019-11-20 02:41:30,352 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 447 transitions. [2019-11-20 02:41:30,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 02:41:30,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 02:41:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:30,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 224 states and 448 transitions. [2019-11-20 02:41:30,843 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 448 transitions. [2019-11-20 02:41:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 02:41:30,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 02:41:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 222 states and 440 transitions. [2019-11-20 02:41:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 440 transitions. [2019-11-20 02:41:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 02:41:31,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 02:41:32,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:32,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 224 states and 442 transitions. [2019-11-20 02:41:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 442 transitions. [2019-11-20 02:41:32,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 02:41:32,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:41:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:41:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 02:41:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:41:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 82 states and 109 transitions. [2019-11-20 02:41:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2019-11-20 02:41:32,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:41:32,428 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2019-11-20 02:41:32,436 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:41:32,841 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-11-20 02:41:32,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:41:32,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:41:32,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:41:32,848 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 02:41:32,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:41:32,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:41:32,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:41:32,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:41:32,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:41:32,850 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:41:32,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:41:32 ImpRootNode [2019-11-20 02:41:32,850 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:41:32,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:41:32,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:41:32,851 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:41:32,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:41:08" (3/4) ... [2019-11-20 02:41:32,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:41:32,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 02:41:32,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 02:41:32,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 02:41:32,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 02:41:32,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 02:41:32,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 02:41:32,859 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 02:41:32,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-11-20 02:41:32,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 02:41:32,867 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 02:41:32,867 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 02:41:32,868 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:41:32,868 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:41:32,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive [2019-11-20 02:41:32,937 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aaedcf7d-0624-4e26-8a09-1aa8d16c75f2/bin/ukojak/witness.graphml [2019-11-20 02:41:32,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:41:32,939 INFO L168 Benchmark]: Toolchain (without parser) took 25978.86 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 542.6 MB). Free memory was 944.7 MB in the beginning and 1.3 GB in the end (delta: -349.4 MB). Peak memory consumption was 193.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:41:32,939 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:41:32,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:41:32,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.32 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:41:32,940 INFO L168 Benchmark]: Boogie Preprocessor took 28.17 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. [2019-11-20 02:41:32,941 INFO L168 Benchmark]: RCFGBuilder took 884.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.8 MB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:41:32,941 INFO L168 Benchmark]: CodeCheck took 24450.48 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 439.4 MB). Free memory was 999.8 MB in the beginning and 1.3 GB in the end (delta: -314.7 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:41:32,942 INFO L168 Benchmark]: Witness Printer took 87.05 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:41:32,944 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 23.9s, OverallIterations: 59, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 414450048 SDtfs, -56302712 SDslu, 1205383640 SDs, 0 SdLazy, -982924754 SolverSat, 1671848418 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31820 GetRequests, 31344 SyntacticMatches, 148 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49068 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2894 NumberOfCodeBlocks, 2894 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2836 ConstructedInterpolants, 0 QuantifiedInterpolants, 291465 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 43 PerfectInterpolantSequences, 1329/1402 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 473.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.32 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.17 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. * RCFGBuilder took 884.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.8 MB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. * CodeCheck took 24450.48 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 439.4 MB). Free memory was 999.8 MB in the beginning and 1.3 GB in the end (delta: -314.7 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. * Witness Printer took 87.05 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...