./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f73634e342cf3e7f84044af175d79019321da0bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 22:08:30,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 22:08:30,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 22:08:30,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 22:08:30,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 22:08:30,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 22:08:30,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 22:08:30,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 22:08:30,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 22:08:30,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 22:08:30,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 22:08:30,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 22:08:30,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 22:08:30,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 22:08:30,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 22:08:30,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 22:08:30,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 22:08:30,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 22:08:30,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 22:08:30,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 22:08:30,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 22:08:30,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 22:08:30,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 22:08:30,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 22:08:30,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 22:08:30,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 22:08:30,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 22:08:30,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 22:08:30,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 22:08:30,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 22:08:30,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 22:08:30,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 22:08:30,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 22:08:30,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 22:08:30,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 22:08:30,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 22:08:30,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 22:08:30,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 22:08:30,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 22:08:30,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 22:08:30,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 22:08:30,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 22:08:30,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 22:08:30,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 22:08:30,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 22:08:30,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 22:08:30,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 22:08:30,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 22:08:30,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 22:08:30,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 22:08:30,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 22:08:30,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 22:08:30,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 22:08:30,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 22:08:30,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 22:08:30,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 22:08:30,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 22:08:30,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 22:08:30,134 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 22:08:30,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 22:08:30,135 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 22:08:30,135 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 22:08:30,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 22:08:30,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 22:08:30,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 22:08:30,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 22:08:30,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 22:08:30,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 22:08:30,136 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 22:08:30,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 22:08:30,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 22:08:30,136 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_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f73634e342cf3e7f84044af175d79019321da0bc [2019-12-01 22:08:30,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 22:08:30,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 22:08:30,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 22:08:30,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 22:08:30,252 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 22:08:30,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2019-12-01 22:08:30,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/data/3a7e29e21/b6ac5512572e4096936349082ee6d1eb/FLAG787a834bb [2019-12-01 22:08:30,744 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 22:08:30,744 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2019-12-01 22:08:30,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/data/3a7e29e21/b6ac5512572e4096936349082ee6d1eb/FLAG787a834bb [2019-12-01 22:08:30,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/data/3a7e29e21/b6ac5512572e4096936349082ee6d1eb [2019-12-01 22:08:30,764 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 22:08:30,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 22:08:30,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 22:08:30,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 22:08:30,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 22:08:30,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:08:30" (1/1) ... [2019-12-01 22:08:30,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:30, skipping insertion in model container [2019-12-01 22:08:30,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:08:30" (1/1) ... [2019-12-01 22:08:30,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 22:08:30,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 22:08:31,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:08:31,018 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 22:08:31,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:08:31,085 INFO L208 MainTranslator]: Completed translation [2019-12-01 22:08:31,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31 WrapperNode [2019-12-01 22:08:31,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 22:08:31,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 22:08:31,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 22:08:31,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 22:08:31,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 22:08:31,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 22:08:31,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 22:08:31,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 22:08:31,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 22:08:31,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 22:08:31,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 22:08:31,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 22:08:31,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 22:08:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 22:08:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 22:08:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 22:08:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 22:08:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 22:08:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 22:08:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 22:08:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 22:08:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 22:08:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 22:08:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 22:08:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-12-01 22:08:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-12-01 22:08:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 22:08:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 22:08:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 22:08:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 22:08:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 22:08:31,700 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 22:08:31,700 INFO L287 CfgBuilder]: Removed 32 assume(true) statements. [2019-12-01 22:08:31,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:08:31 BoogieIcfgContainer [2019-12-01 22:08:31,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 22:08:31,702 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 22:08:31,702 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 22:08:31,709 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 22:08:31,709 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:08:31" (1/1) ... [2019-12-01 22:08:31,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 22:08:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:31,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2019-12-01 22:08:31,744 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2019-12-01 22:08:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 22:08:31,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:31,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2019-12-01 22:08:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2019-12-01 22:08:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 22:08:31,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2019-12-01 22:08:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2019-12-01 22:08:31,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 22:08:31,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:32,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2019-12-01 22:08:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2019-12-01 22:08:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 22:08:32,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:32,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2019-12-01 22:08:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2019-12-01 22:08:32,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 22:08:32,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2019-12-01 22:08:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2019-12-01 22:08:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 22:08:32,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2019-12-01 22:08:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2019-12-01 22:08:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 22:08:32,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 82 states and 121 transitions. [2019-12-01 22:08:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2019-12-01 22:08:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 22:08:32,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:33,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 100 states and 159 transitions. [2019-12-01 22:08:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2019-12-01 22:08:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 22:08:33,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 101 states and 160 transitions. [2019-12-01 22:08:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2019-12-01 22:08:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 22:08:33,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:33,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:33,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:33,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 184 transitions. [2019-12-01 22:08:33,698 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2019-12-01 22:08:33,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 22:08:33,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:33,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 185 transitions. [2019-12-01 22:08:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2019-12-01 22:08:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 22:08:33,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:34,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2019-12-01 22:08:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2019-12-01 22:08:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 22:08:34,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 214 transitions. [2019-12-01 22:08:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2019-12-01 22:08:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 22:08:34,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:34,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 210 transitions. [2019-12-01 22:08:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2019-12-01 22:08:34,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 22:08:34,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 22:08:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 228 transitions. [2019-12-01 22:08:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2019-12-01 22:08:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 22:08:35,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 131 states and 232 transitions. [2019-12-01 22:08:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 232 transitions. [2019-12-01 22:08:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 22:08:35,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:35,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:35,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 140 states and 250 transitions. [2019-12-01 22:08:35,830 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-12-01 22:08:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 22:08:35,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 22:08:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:36,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 265 transitions. [2019-12-01 22:08:36,156 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 265 transitions. [2019-12-01 22:08:36,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 22:08:36,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 150 states and 266 transitions. [2019-12-01 22:08:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2019-12-01 22:08:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 22:08:36,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:36,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 267 transitions. [2019-12-01 22:08:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 267 transitions. [2019-12-01 22:08:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 22:08:36,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 22:08:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 152 states and 268 transitions. [2019-12-01 22:08:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 268 transitions. [2019-12-01 22:08:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 22:08:36,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:08:36,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 297 transitions. [2019-12-01 22:08:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 297 transitions. [2019-12-01 22:08:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:08:36,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 22:08:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 172 states and 318 transitions. [2019-12-01 22:08:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 318 transitions. [2019-12-01 22:08:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:08:38,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:38,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 22:08:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 182 states and 343 transitions. [2019-12-01 22:08:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 343 transitions. [2019-12-01 22:08:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 22:08:39,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:08:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 189 states and 375 transitions. [2019-12-01 22:08:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 375 transitions. [2019-12-01 22:08:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 22:08:39,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:08:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:39,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 192 states and 380 transitions. [2019-12-01 22:08:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 380 transitions. [2019-12-01 22:08:39,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 22:08:39,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 22:08:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 196 states and 392 transitions. [2019-12-01 22:08:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 392 transitions. [2019-12-01 22:08:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 22:08:39,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:08:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:39,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 197 states and 393 transitions. [2019-12-01 22:08:39,999 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 393 transitions. [2019-12-01 22:08:40,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 22:08:40,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:40,188 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:08:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 207 states and 418 transitions. [2019-12-01 22:08:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 418 transitions. [2019-12-01 22:08:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 22:08:41,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:08:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 208 states and 419 transitions. [2019-12-01 22:08:42,033 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 419 transitions. [2019-12-01 22:08:42,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 22:08:42,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:08:42,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 210 states and 420 transitions. [2019-12-01 22:08:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 420 transitions. [2019-12-01 22:08:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 22:08:42,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:08:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 211 states and 421 transitions. [2019-12-01 22:08:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 421 transitions. [2019-12-01 22:08:42,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 22:08:42,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 22:08:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 219 states and 460 transitions. [2019-12-01 22:08:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 460 transitions. [2019-12-01 22:08:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 22:08:43,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:43,133 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 22:08:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:43,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 220 states and 461 transitions. [2019-12-01 22:08:43,147 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 461 transitions. [2019-12-01 22:08:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 22:08:43,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 22:08:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 221 states and 462 transitions. [2019-12-01 22:08:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 462 transitions. [2019-12-01 22:08:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 22:08:43,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 22:08:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 225 states and 471 transitions. [2019-12-01 22:08:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 471 transitions. [2019-12-01 22:08:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 22:08:43,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 22:08:43,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:43,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 228 states and 476 transitions. [2019-12-01 22:08:43,678 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 476 transitions. [2019-12-01 22:08:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 22:08:43,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 22:08:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:43,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 230 states and 480 transitions. [2019-12-01 22:08:43,905 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 480 transitions. [2019-12-01 22:08:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 22:08:43,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 22:08:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:43,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 228 states and 476 transitions. [2019-12-01 22:08:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 476 transitions. [2019-12-01 22:08:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 22:08:43,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:44,164 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 22:08:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 229 states and 478 transitions. [2019-12-01 22:08:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 478 transitions. [2019-12-01 22:08:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 22:08:44,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 22:08:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 230 states and 479 transitions. [2019-12-01 22:08:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 479 transitions. [2019-12-01 22:08:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 22:08:44,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 22:08:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 221 states and 453 transitions. [2019-12-01 22:08:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 453 transitions. [2019-12-01 22:08:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 22:08:44,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 22:08:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 223 states and 457 transitions. [2019-12-01 22:08:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 457 transitions. [2019-12-01 22:08:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 22:08:44,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 22:08:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:44,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 225 states and 460 transitions. [2019-12-01 22:08:44,936 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 460 transitions. [2019-12-01 22:08:44,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 22:08:44,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 22:08:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 227 states and 463 transitions. [2019-12-01 22:08:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 463 transitions. [2019-12-01 22:08:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 22:08:44,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-12-01 22:08:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:45,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 229 states and 464 transitions. [2019-12-01 22:08:45,227 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 464 transitions. [2019-12-01 22:08:45,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 22:08:45,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 22:08:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 230 states and 465 transitions. [2019-12-01 22:08:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 465 transitions. [2019-12-01 22:08:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 22:08:45,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 22:08:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 231 states and 466 transitions. [2019-12-01 22:08:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 466 transitions. [2019-12-01 22:08:45,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 22:08:45,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 22:08:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 233 states and 467 transitions. [2019-12-01 22:08:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 467 transitions. [2019-12-01 22:08:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 22:08:45,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 22:08:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 228 states and 457 transitions. [2019-12-01 22:08:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 457 transitions. [2019-12-01 22:08:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 22:08:45,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 22:08:45,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:45,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 223 states and 445 transitions. [2019-12-01 22:08:45,643 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 445 transitions. [2019-12-01 22:08:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 22:08:45,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 22:08:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 225 states and 446 transitions. [2019-12-01 22:08:45,895 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 446 transitions. [2019-12-01 22:08:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 22:08:45,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 22:08:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 223 states and 438 transitions. [2019-12-01 22:08:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 438 transitions. [2019-12-01 22:08:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 22:08:46,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-01 22:08:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 223 states and 433 transitions. [2019-12-01 22:08:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 433 transitions. [2019-12-01 22:08:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 22:08:46,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-01 22:08:46,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 82 states and 109 transitions. [2019-12-01 22:08:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2019-12-01 22:08:46,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 22:08:46,946 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2019-12-01 22:08:46,953 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 22:08:47,235 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-12-01 22:08:47,242 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:47,243 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:47,243 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:47,243 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 22:08:47,243 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:47,243 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:47,244 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:47,244 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:47,244 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:47,244 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:47,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:08:47 ImpRootNode [2019-12-01 22:08:47,244 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 22:08:47,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 22:08:47,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 22:08:47,245 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 22:08:47,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:08:31" (3/4) ... [2019-12-01 22:08:47,247 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 22:08:47,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 22:08:47,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 22:08:47,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 22:08:47,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 22:08:47,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 22:08:47,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-12-01 22:08:47,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-12-01 22:08:47,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-12-01 22:08:47,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-01 22:08:47,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 22:08:47,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 22:08:47,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 22:08:47,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 22:08:47,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 22:08:47,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(pumpRunning == 0)) || 0 == systemActive [2019-12-01 22:08:47,312 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_270dc58f-0c3c-4351-a62a-c10d63308c49/bin/ukojak/witness.graphml [2019-12-01 22:08:47,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 22:08:47,314 INFO L168 Benchmark]: Toolchain (without parser) took 16548.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.4 MB). Free memory was 944.7 MB in the beginning and 1.3 GB in the end (delta: -330.6 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:47,314 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 22:08:47,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:47,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 22:08:47,315 INFO L168 Benchmark]: Boogie Preprocessor took 29.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:47,315 INFO L168 Benchmark]: RCFGBuilder took 544.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.3 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:47,315 INFO L168 Benchmark]: CodeCheck took 15542.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 255.3 MB). Free memory was 982.3 MB in the beginning and 1.3 GB in the end (delta: -307.4 MB). Peak memory consumption was 462.1 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:47,316 INFO L168 Benchmark]: Witness Printer took 68.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:47,317 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 15.2s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1824850112 SDtfs, 64203224 SDslu, 1605593368 SDs, 0 SdLazy, -1699923626 SolverSat, 2020421938 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29844 GetRequests, 29376 SyntacticMatches, 148 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46393 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2738 NumberOfCodeBlocks, 2738 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2683 ConstructedInterpolants, 0 QuantifiedInterpolants, 273664 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 40 PerfectInterpolantSequences, 1260/1326 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 113]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 544.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.3 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * CodeCheck took 15542.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 255.3 MB). Free memory was 982.3 MB in the beginning and 1.3 GB in the end (delta: -307.4 MB). Peak memory consumption was 462.1 MB. Max. memory is 11.5 GB. * Witness Printer took 68.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...