./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:13:47,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:13:47,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:13:47,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:13:47,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:13:47,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:13:47,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:13:47,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:13:47,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:13:47,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:13:47,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:13:47,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:13:47,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:13:47,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:13:47,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:13:47,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:13:47,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:13:47,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:13:47,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:13:47,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:13:47,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:13:47,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:13:47,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:13:47,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:13:47,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:13:47,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:13:47,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:13:47,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:13:47,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:13:47,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:13:47,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:13:47,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:13:47,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:13:47,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:13:47,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:13:47,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:13:47,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:13:47,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:13:47,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:13:47,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:13:47,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:13:47,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 01:13:47,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:13:47,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:13:47,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:13:47,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:13:47,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:13:47,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:13:47,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:13:47,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:13:47,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:13:47,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:13:47,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:13:47,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:13:47,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:13:47,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:13:47,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:13:47,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:13:47,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:13:47,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:13:47,772 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:13:47,772 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:13:47,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:13:47,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:13:47,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:13:47,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:13:47,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:13:47,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:13:47,774 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:13:47,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:13:47,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:13:47,774 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_d6b5fe56-0aca-4fd5-b411-c448e3792c49/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2019-11-20 01:13:47,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:13:47,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:13:47,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:13:47,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:13:47,962 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:13:47,963 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-20 01:13:48,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/data/45a755333/f7daaabd9ec2424d82c23099562b93b5/FLAG055aa0d0e [2019-11-20 01:13:48,496 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:13:48,497 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-20 01:13:48,508 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/data/45a755333/f7daaabd9ec2424d82c23099562b93b5/FLAG055aa0d0e [2019-11-20 01:13:48,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/data/45a755333/f7daaabd9ec2424d82c23099562b93b5 [2019-11-20 01:13:48,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:13:48,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:13:48,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:13:48,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:13:48,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:13:48,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:13:48" (1/1) ... [2019-11-20 01:13:48,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb86579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:48, skipping insertion in model container [2019-11-20 01:13:48,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:13:48" (1/1) ... [2019-11-20 01:13:48,534 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:13:48,573 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:13:48,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:13:48,981 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:13:49,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:13:49,086 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:13:49,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49 WrapperNode [2019-11-20 01:13:49,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:13:49,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:13:49,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:13:49,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:13:49,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... [2019-11-20 01:13:49,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... [2019-11-20 01:13:49,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:13:49,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:13:49,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:13:49,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:13:49,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... [2019-11-20 01:13:49,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... [2019-11-20 01:13:49,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... [2019-11-20 01:13:49,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... [2019-11-20 01:13:49,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... [2019-11-20 01:13:49,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... [2019-11-20 01:13:49,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... [2019-11-20 01:13:49,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:13:49,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:13:49,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:13:49,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:13:49,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/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 01:13:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:13:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 01:13:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 01:13:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 01:13:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 01:13:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 01:13:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 01:13:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 01:13:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 01:13:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 01:13:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 01:13:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:13:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 01:13:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 01:13:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:13:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:13:50,254 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:13:50,254 INFO L285 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-20 01:13:50,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:50 BoogieIcfgContainer [2019-11-20 01:13:50,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:13:50,256 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:13:50,256 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:13:50,266 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:13:50,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:50" (1/1) ... [2019-11-20 01:13:50,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:13:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-11-20 01:13:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-11-20 01:13:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:13:50,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:50,514 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 01:13:50,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-11-20 01:13:50,527 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-11-20 01:13:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:13:50,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:50,647 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 01:13:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:50,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-11-20 01:13:50,675 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-20 01:13:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:13:50,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:50,777 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 01:13:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2019-11-20 01:13:50,804 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-11-20 01:13:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:13:50,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:50,848 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 01:13:50,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2019-11-20 01:13:50,989 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2019-11-20 01:13:50,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:13:50,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:51,064 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 01:13:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-11-20 01:13:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-11-20 01:13:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:13:51,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:51,149 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 01:13:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:51,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2019-11-20 01:13:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-11-20 01:13:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:13:51,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:51,306 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 01:13:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2019-11-20 01:13:51,936 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2019-11-20 01:13:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 01:13:51,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:52,050 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 01:13:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 88 states and 150 transitions. [2019-11-20 01:13:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 150 transitions. [2019-11-20 01:13:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 01:13:52,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:52,731 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 01:13:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 161 transitions. [2019-11-20 01:13:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 161 transitions. [2019-11-20 01:13:53,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 01:13:53,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:53,161 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 01:13:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 93 states and 162 transitions. [2019-11-20 01:13:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 162 transitions. [2019-11-20 01:13:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 01:13:53,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:53,239 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 01:13:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 171 transitions. [2019-11-20 01:13:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2019-11-20 01:13:53,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 01:13:53,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:53,453 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 01:13:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 172 transitions. [2019-11-20 01:13:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 172 transitions. [2019-11-20 01:13:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 01:13:53,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:13:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 193 transitions. [2019-11-20 01:13:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 193 transitions. [2019-11-20 01:13:54,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 01:13:54,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:13:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 112 states and 198 transitions. [2019-11-20 01:13:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 198 transitions. [2019-11-20 01:13:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 01:13:54,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:13:54,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 115 states and 204 transitions. [2019-11-20 01:13:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 204 transitions. [2019-11-20 01:13:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 01:13:54,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:13:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 116 states and 205 transitions. [2019-11-20 01:13:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 205 transitions. [2019-11-20 01:13:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 01:13:54,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:13:54,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 119 states and 212 transitions. [2019-11-20 01:13:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 212 transitions. [2019-11-20 01:13:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 01:13:54,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:13:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 120 states and 212 transitions. [2019-11-20 01:13:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 212 transitions. [2019-11-20 01:13:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 01:13:54,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:13:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 135 states and 253 transitions. [2019-11-20 01:13:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 253 transitions. [2019-11-20 01:13:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 01:13:55,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:13:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:57,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 147 states and 284 transitions. [2019-11-20 01:13:57,222 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 284 transitions. [2019-11-20 01:13:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 01:13:57,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:13:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:13:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 149 states and 286 transitions. [2019-11-20 01:13:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 286 transitions. [2019-11-20 01:13:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 01:13:57,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:13:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 157 states and 321 transitions. [2019-11-20 01:14:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 321 transitions. [2019-11-20 01:14:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 01:14:00,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 159 states and 328 transitions. [2019-11-20 01:14:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 328 transitions. [2019-11-20 01:14:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:14:00,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 160 states and 329 transitions. [2019-11-20 01:14:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 329 transitions. [2019-11-20 01:14:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:14:00,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 161 states and 330 transitions. [2019-11-20 01:14:00,480 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 330 transitions. [2019-11-20 01:14:00,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 01:14:00,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:14:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 162 states and 331 transitions. [2019-11-20 01:14:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 331 transitions. [2019-11-20 01:14:00,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 01:14:00,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:00,549 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:14:00,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 163 states and 332 transitions. [2019-11-20 01:14:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 332 transitions. [2019-11-20 01:14:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:14:00,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:00,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 164 states and 333 transitions. [2019-11-20 01:14:00,887 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 333 transitions. [2019-11-20 01:14:00,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 01:14:00,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 167 states and 332 transitions. [2019-11-20 01:14:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 332 transitions. [2019-11-20 01:14:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:14:02,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:02,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 176 states and 358 transitions. [2019-11-20 01:14:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 358 transitions. [2019-11-20 01:14:04,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:14:04,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 177 states and 359 transitions. [2019-11-20 01:14:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 359 transitions. [2019-11-20 01:14:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:14:04,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:14:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 191 states and 395 transitions. [2019-11-20 01:14:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 395 transitions. [2019-11-20 01:14:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 01:14:06,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:14:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 192 states and 396 transitions. [2019-11-20 01:14:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 396 transitions. [2019-11-20 01:14:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:14:06,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:14:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 192 states and 405 transitions. [2019-11-20 01:14:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 405 transitions. [2019-11-20 01:14:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 01:14:07,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:14:07,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:07,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 194 states and 407 transitions. [2019-11-20 01:14:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 407 transitions. [2019-11-20 01:14:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 01:14:07,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 195 states and 408 transitions. [2019-11-20 01:14:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 408 transitions. [2019-11-20 01:14:07,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 01:14:07,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:08,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 196 states and 409 transitions. [2019-11-20 01:14:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 409 transitions. [2019-11-20 01:14:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 01:14:08,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 01:14:08,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 197 states and 410 transitions. [2019-11-20 01:14:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 410 transitions. [2019-11-20 01:14:08,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 01:14:08,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:14:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 198 states and 411 transitions. [2019-11-20 01:14:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 411 transitions. [2019-11-20 01:14:08,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:14:08,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:14:11,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 204 states and 423 transitions. [2019-11-20 01:14:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 423 transitions. [2019-11-20 01:14:11,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 01:14:11,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:14:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 205 states and 424 transitions. [2019-11-20 01:14:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 424 transitions. [2019-11-20 01:14:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 01:14:11,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:14:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:12,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 210 states and 431 transitions. [2019-11-20 01:14:12,055 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 431 transitions. [2019-11-20 01:14:12,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 01:14:12,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 01:14:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 198 states and 407 transitions. [2019-11-20 01:14:12,111 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 407 transitions. [2019-11-20 01:14:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 01:14:12,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:12,133 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 01:14:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 202 states and 414 transitions. [2019-11-20 01:14:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 414 transitions. [2019-11-20 01:14:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:14:12,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:14:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:13,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 205 states and 418 transitions. [2019-11-20 01:14:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 418 transitions. [2019-11-20 01:14:13,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 01:14:13,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:13,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 01:14:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 206 states and 418 transitions. [2019-11-20 01:14:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 418 transitions. [2019-11-20 01:14:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 01:14:13,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:14:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 204 states and 414 transitions. [2019-11-20 01:14:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 414 transitions. [2019-11-20 01:14:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 01:14:13,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:14:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:13,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 201 states and 407 transitions. [2019-11-20 01:14:13,603 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 407 transitions. [2019-11-20 01:14:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 01:14:13,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 01:14:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 199 states and 403 transitions. [2019-11-20 01:14:13,671 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 403 transitions. [2019-11-20 01:14:13,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 01:14:13,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 01:14:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 192 states and 383 transitions. [2019-11-20 01:14:13,719 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 383 transitions. [2019-11-20 01:14:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 01:14:13,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:14:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 193 states and 384 transitions. [2019-11-20 01:14:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 384 transitions. [2019-11-20 01:14:14,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 01:14:14,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:14:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 196 states and 385 transitions. [2019-11-20 01:14:15,274 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 385 transitions. [2019-11-20 01:14:15,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 01:14:15,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:14:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:15,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 198 states and 386 transitions. [2019-11-20 01:14:15,725 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 386 transitions. [2019-11-20 01:14:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:14:15,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 01:14:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:17,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 201 states and 386 transitions. [2019-11-20 01:14:17,388 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 386 transitions. [2019-11-20 01:14:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:14:17,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:14:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:14:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 01:14:17,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:14:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 102 states and 176 transitions. [2019-11-20 01:14:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2019-11-20 01:14:17,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:14:17,999 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2019-11-20 01:14:18,010 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 01:14:18,408 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,411 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,412 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,412 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,412 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,412 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-11-20 01:14:18,416 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,416 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,416 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,417 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-11-20 01:14:18,420 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,421 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:14:18,421 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 01:14:18,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:14:18 ImpRootNode [2019-11-20 01:14:18,422 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:14:18,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:14:18,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:14:18,422 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:14:18,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:50" (3/4) ... [2019-11-20 01:14:18,425 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:14:18,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 01:14:18,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 01:14:18,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 01:14:18,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 01:14:18,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 01:14:18,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 01:14:18,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-20 01:14:18,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-20 01:14:18,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 01:14:18,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 01:14:18,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:14:18,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:14:18,460 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= 0 || !(0 == waterLevel))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0) [2019-11-20 01:14:18,460 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) && !(0 == waterLevel)) && !(0 == systemActive)) || !(pumpRunning == 0)) || ((\old(waterLevel) <= 0 && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) [2019-11-20 01:14:18,502 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d6b5fe56-0aca-4fd5-b411-c448e3792c49/bin/ukojak/witness.graphml [2019-11-20 01:14:18,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:14:18,504 INFO L168 Benchmark]: Toolchain (without parser) took 29982.65 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 428.3 MB). Free memory was 950.1 MB in the beginning and 1.4 GB in the end (delta: -405.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:18,504 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:14:18,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:18,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:18,505 INFO L168 Benchmark]: Boogie Preprocessor took 37.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:14:18,505 INFO L168 Benchmark]: RCFGBuilder took 1075.49 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:18,506 INFO L168 Benchmark]: CodeCheck took 28165.61 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 271.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -318.0 MB). Peak memory consumption was 469.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:18,506 INFO L168 Benchmark]: Witness Printer took 79.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:14:18,508 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: 27.7s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -483786104 SDtfs, 617803934 SDslu, 1364283440 SDs, 0 SdLazy, 1154901354 SolverSat, 1656700620 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23298 GetRequests, 22671 SyntacticMatches, 269 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59443 ImplicationChecksByTransitivity, 23.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2037 NumberOfCodeBlocks, 2037 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 1982 ConstructedInterpolants, 0 QuantifiedInterpolants, 194289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 38 PerfectInterpolantSequences, 757/830 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: 44]: 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: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= 0 || !(0 == waterLevel))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) && !(0 == waterLevel)) && !(0 == systemActive)) || !(pumpRunning == 0)) || ((\old(waterLevel) <= 0 && pumpRunning == \old(pumpRunning)) && !(0 == systemActive)) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 565.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1075.49 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 28165.61 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 271.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -318.0 MB). Peak memory consumption was 469.7 MB. Max. memory is 11.5 GB. * Witness Printer took 79.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...