./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:14:42,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:42,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:42,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:42,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:42,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:42,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:42,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:42,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:42,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:42,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:42,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:42,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:42,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:42,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:42,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:42,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:42,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:42,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:42,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:42,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:42,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:42,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:42,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:42,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:42,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:42,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:42,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:42,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:42,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:42,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:42,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:42,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:42,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:42,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:42,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:42,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:42,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:42,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:42,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:42,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:42,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:14:42,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:42,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:42,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:14:42,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:14:42,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:42,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:42,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:42,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:42,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:42,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:42,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:42,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:14:42,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:42,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:14:42,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:42,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:14:42,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:42,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:14:42,764 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:42,765 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:42,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:42,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:42,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:42,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:42,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:42,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:14:42,766 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:42,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:42,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:14:42,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2019-10-22 10:14:42,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:42,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:42,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:42,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:42,819 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:42,819 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-10-22 10:14:42,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/data/d9bd5abf1/7d3bd2f5410e45008d5de2486f64607f/FLAGd0a043dd4 [2019-10-22 10:14:43,293 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:43,295 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-10-22 10:14:43,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/data/d9bd5abf1/7d3bd2f5410e45008d5de2486f64607f/FLAGd0a043dd4 [2019-10-22 10:14:43,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/data/d9bd5abf1/7d3bd2f5410e45008d5de2486f64607f [2019-10-22 10:14:43,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:43,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:43,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:43,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:43,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:43,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:43" (1/1) ... [2019-10-22 10:14:43,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554124e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:43, skipping insertion in model container [2019-10-22 10:14:43,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:43" (1/1) ... [2019-10-22 10:14:43,668 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:43,718 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:44,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:44,143 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:14:44,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:44,233 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:14:44,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44 WrapperNode [2019-10-22 10:14:44,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:44,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:44,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:14:44,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:14:44,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... [2019-10-22 10:14:44,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... [2019-10-22 10:14:44,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:44,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:14:44,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:14:44,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:14:44,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... [2019-10-22 10:14:44,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... [2019-10-22 10:14:44,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... [2019-10-22 10:14:44,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... [2019-10-22 10:14:44,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... [2019-10-22 10:14:44,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... [2019-10-22 10:14:44,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... [2019-10-22 10:14:44,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:14:44,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:14:44,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:14:44,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:14:44,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:14:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:14:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:14:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:14:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:14:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:14:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:14:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:14:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:14:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:14:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:14:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:14:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:14:44,372 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:14:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:14:44,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:14:45,126 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:14:45,127 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:14:45,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:45 BoogieIcfgContainer [2019-10-22 10:14:45,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:14:45,128 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:14:45,128 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:14:45,140 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:14:45,141 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:45" (1/1) ... [2019-10-22 10:14:45,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-10-22 10:14:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-10-22 10:14:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:14:45,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-10-22 10:14:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-10-22 10:14:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:14:45,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-10-22 10:14:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-10-22 10:14:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:14:45,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:45,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2019-10-22 10:14:45,831 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2019-10-22 10:14:45,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:14:45,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2019-10-22 10:14:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2019-10-22 10:14:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:45,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-10-22 10:14:45,954 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-10-22 10:14:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:45,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2019-10-22 10:14:45,995 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-10-22 10:14:45,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:14:45,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:46,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:46,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:46,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2019-10-22 10:14:46,537 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2019-10-22 10:14:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:46,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2019-10-22 10:14:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2019-10-22 10:14:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:14:47,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:47,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2019-10-22 10:14:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2019-10-22 10:14:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:14:47,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 93 states and 161 transitions. [2019-10-22 10:14:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 161 transitions. [2019-10-22 10:14:47,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:47,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 96 states and 169 transitions. [2019-10-22 10:14:47,614 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 169 transitions. [2019-10-22 10:14:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:47,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 178 transitions. [2019-10-22 10:14:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2019-10-22 10:14:47,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:14:47,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 179 transitions. [2019-10-22 10:14:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2019-10-22 10:14:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 10:14:47,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 111 states and 196 transitions. [2019-10-22 10:14:48,127 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 196 transitions. [2019-10-22 10:14:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:14:48,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 112 states and 197 transitions. [2019-10-22 10:14:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 197 transitions. [2019-10-22 10:14:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:14:48,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 113 states and 200 transitions. [2019-10-22 10:14:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 200 transitions. [2019-10-22 10:14:48,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:14:48,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 114 states and 203 transitions. [2019-10-22 10:14:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2019-10-22 10:14:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:14:48,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:48,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 211 transitions. [2019-10-22 10:14:48,674 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 211 transitions. [2019-10-22 10:14:48,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:14:48,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 122 states and 219 transitions. [2019-10-22 10:14:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 219 transitions. [2019-10-22 10:14:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:14:48,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 123 states and 219 transitions. [2019-10-22 10:14:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 219 transitions. [2019-10-22 10:14:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:14:48,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:49,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 137 states and 250 transitions. [2019-10-22 10:14:49,720 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 250 transitions. [2019-10-22 10:14:49,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:14:49,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 148 states and 282 transitions. [2019-10-22 10:14:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 282 transitions. [2019-10-22 10:14:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:14:50,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:51,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:51,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 152 states and 291 transitions. [2019-10-22 10:14:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2019-10-22 10:14:51,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:14:51,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 153 states and 294 transitions. [2019-10-22 10:14:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 294 transitions. [2019-10-22 10:14:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:14:51,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:53,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 320 transitions. [2019-10-22 10:14:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 320 transitions. [2019-10-22 10:14:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:14:53,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:14:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 162 states and 320 transitions. [2019-10-22 10:14:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 320 transitions. [2019-10-22 10:14:53,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:14:53,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 163 states and 321 transitions. [2019-10-22 10:14:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 321 transitions. [2019-10-22 10:14:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:14:53,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 164 states and 322 transitions. [2019-10-22 10:14:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 322 transitions. [2019-10-22 10:14:53,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:14:53,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 165 states and 323 transitions. [2019-10-22 10:14:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 323 transitions. [2019-10-22 10:14:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:14:53,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 166 states and 324 transitions. [2019-10-22 10:14:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 324 transitions. [2019-10-22 10:14:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:14:53,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 167 states and 322 transitions. [2019-10-22 10:14:54,104 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 322 transitions. [2019-10-22 10:14:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:14:54,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:55,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 180 states and 360 transitions. [2019-10-22 10:14:55,324 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 360 transitions. [2019-10-22 10:14:55,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:14:55,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:55,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 181 states and 361 transitions. [2019-10-22 10:14:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 361 transitions. [2019-10-22 10:14:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:14:55,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 183 states and 363 transitions. [2019-10-22 10:14:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 363 transitions. [2019-10-22 10:14:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:14:55,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 185 states and 366 transitions. [2019-10-22 10:14:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 366 transitions. [2019-10-22 10:14:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:14:55,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 186 states and 366 transitions. [2019-10-22 10:14:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 366 transitions. [2019-10-22 10:14:55,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:14:55,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 187 states and 367 transitions. [2019-10-22 10:14:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 367 transitions. [2019-10-22 10:14:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:14:56,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 188 states and 368 transitions. [2019-10-22 10:14:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 368 transitions. [2019-10-22 10:14:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:14:56,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 188 states and 363 transitions. [2019-10-22 10:14:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 363 transitions. [2019-10-22 10:14:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:14:56,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:14:56,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 192 states and 370 transitions. [2019-10-22 10:14:56,463 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 370 transitions. [2019-10-22 10:14:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:14:56,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:14:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 193 states and 370 transitions. [2019-10-22 10:14:56,509 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 370 transitions. [2019-10-22 10:14:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:14:56,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-22 10:14:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 179 states and 342 transitions. [2019-10-22 10:14:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2019-10-22 10:14:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:14:56,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-22 10:14:56,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 184 states and 352 transitions. [2019-10-22 10:14:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 352 transitions. [2019-10-22 10:14:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:14:56,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:14:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 182 states and 348 transitions. [2019-10-22 10:14:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 348 transitions. [2019-10-22 10:14:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:14:56,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:14:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 179 states and 342 transitions. [2019-10-22 10:14:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2019-10-22 10:14:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:14:56,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-22 10:14:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 180 states and 342 transitions. [2019-10-22 10:14:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 342 transitions. [2019-10-22 10:14:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:14:57,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-22 10:14:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 178 states and 338 transitions. [2019-10-22 10:14:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 338 transitions. [2019-10-22 10:14:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:14:57,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-22 10:14:57,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 173 states and 328 transitions. [2019-10-22 10:14:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2019-10-22 10:14:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:14:57,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-22 10:14:57,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 175 states and 329 transitions. [2019-10-22 10:14:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 329 transitions. [2019-10-22 10:14:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 10:14:57,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-22 10:14:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 85 states and 135 transitions. [2019-10-22 10:14:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2019-10-22 10:14:57,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:14:57,669 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2019-10-22 10:14:57,677 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:14:57,977 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,980 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,981 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:14:57,985 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,985 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,985 INFO L575 CodeCheckObserver]: Invariant with dag size 15 [2019-10-22 10:14:57,986 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,988 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,989 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,989 INFO L575 CodeCheckObserver]: Invariant with dag size 16 [2019-10-22 10:14:57,989 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,989 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,989 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:57,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:57 ImpRootNode [2019-10-22 10:14:57,990 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:57,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:57,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:57,994 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:57,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:45" (3/4) ... [2019-10-22 10:14:57,998 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:14:58,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:14:58,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:14:58,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:14:58,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:14:58,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:14:58,004 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:14:58,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-10-22 10:14:58,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-10-22 10:14:58,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:14:58,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:14:58,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:14:58,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:14:58,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) [2019-10-22 10:14:58,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(1 == waterLevel))) || !(pumpRunning == 0) [2019-10-22 10:14:58,090 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f95c9cf6-b7ce-4b49-942e-a434a4f053c3/bin/ukojak/witness.graphml [2019-10-22 10:14:58,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:58,092 INFO L168 Benchmark]: Toolchain (without parser) took 14437.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.1 MB). Free memory was 940.4 MB in the beginning and 942.1 MB in the end (delta: -1.7 MB). Peak memory consumption was 280.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:58,093 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:58,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:58,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:58,094 INFO L168 Benchmark]: Boogie Preprocessor took 26.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:58,094 INFO L168 Benchmark]: RCFGBuilder took 816.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:58,095 INFO L168 Benchmark]: CodeCheck took 12861.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 132.6 MB). Free memory was 1.1 GB in the beginning and 952.9 MB in the end (delta: 107.9 MB). Peak memory consumption was 240.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:58,095 INFO L168 Benchmark]: Witness Printer took 99.73 ms. Allocated memory is still 1.3 GB. Free memory was 952.9 MB in the beginning and 942.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:58,097 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, 50 locations, 1 error locations. Result: SAFE, OverallTime: 12.5s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1812807248 SDtfs, -1765690708 SDslu, 981847712 SDs, 0 SdLazy, 2096911348 SolverSat, 1577306068 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18978 GetRequests, 18534 SyntacticMatches, 216 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23175 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1734 NumberOfCodeBlocks, 1734 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1684 ConstructedInterpolants, 0 QuantifiedInterpolants, 140490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 34 PerfectInterpolantSequences, 562/623 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: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(1 == waterLevel))) || !(pumpRunning == 0) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 579.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 816.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. * CodeCheck took 12861.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 132.6 MB). Free memory was 1.1 GB in the beginning and 952.9 MB in the end (delta: 107.9 MB). Peak memory consumption was 240.6 MB. Max. memory is 11.5 GB. * Witness Printer took 99.73 ms. Allocated memory is still 1.3 GB. Free memory was 952.9 MB in the beginning and 942.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...