./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7c08193784b646afd298f73ae6296b7af2e0cac1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:13:39,112 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:13:39,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:13:39,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:13:39,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:13:39,122 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:13:39,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:13:39,124 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:13:39,125 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:13:39,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:13:39,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:13:39,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:13:39,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:13:39,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:13:39,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:13:39,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:13:39,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:13:39,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:13:39,133 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:13:39,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:13:39,134 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:13:39,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:13:39,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:13:39,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:13:39,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:13:39,138 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:13:39,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:13:39,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:13:39,140 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:13:39,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:13:39,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:13:39,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:13:39,141 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:13:39,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:13:39,142 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:13:39,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:13:39,143 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-22 22:13:39,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:13:39,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:13:39,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:13:39,154 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 22:13:39,154 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:13:39,155 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:13:39,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:13:39,155 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:13:39,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:13:39,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:13:39,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:13:39,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:13:39,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:13:39,156 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-22 22:13:39,156 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:13:39,157 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:13:39,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:13:39,157 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 22:13:39,157 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 22:13:39,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:13:39,157 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:13:39,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 22:13:39,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:13:39,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:13:39,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:13:39,158 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 22:13:39,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:13:39,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:13:39,158 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c08193784b646afd298f73ae6296b7af2e0cac1 [2018-11-22 22:13:39,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:13:39,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:13:39,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:13:39,195 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:13:39,195 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:13:39,196 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c [2018-11-22 22:13:39,242 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/data/9a2a09d40/8121fe819d87446f9377496ffec6fc85/FLAGfffdfc482 [2018-11-22 22:13:39,589 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:13:39,589 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c [2018-11-22 22:13:39,594 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/data/9a2a09d40/8121fe819d87446f9377496ffec6fc85/FLAGfffdfc482 [2018-11-22 22:13:39,602 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/data/9a2a09d40/8121fe819d87446f9377496ffec6fc85 [2018-11-22 22:13:39,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:13:39,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:13:39,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:13:39,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:13:39,610 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:13:39,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a83c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39, skipping insertion in model container [2018-11-22 22:13:39,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:13:39,628 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:13:39,733 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:13:39,735 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:13:39,744 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:13:39,752 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:13:39,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39 WrapperNode [2018-11-22 22:13:39,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:13:39,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:13:39,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:13:39,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:13:39,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:13:39,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:13:39,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:13:39,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:13:39,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:39,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:13:39,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:13:39,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:13:39,784 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:13:39,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:13:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/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 [2018-11-22 22:13:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:13:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:13:39,990 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:13:39,990 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-22 22:13:39,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:13:39 BoogieIcfgContainer [2018-11-22 22:13:39,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:13:39,991 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 22:13:39,991 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 22:13:40,000 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 22:13:40,001 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:13:39" (1/1) ... [2018-11-22 22:13:40,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:13:40,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-22 22:13:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-22 22:13:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-22 22:13:40,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:13:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-22 22:13:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-22 22:13:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-22 22:13:40,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:13:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-22 22:13:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-22 22:13:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 22:13:40,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:13:40,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-22 22:13:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-22 22:13:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 22:13:40,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:13:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-22 22:13:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-22 22:13:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:13:40,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:40,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:13:40,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-11-22 22:13:40,584 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-11-22 22:13:40,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:13:40,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 22:13:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2018-11-22 22:13:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-11-22 22:13:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-22 22:13:40,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 22:13:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2018-11-22 22:13:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2018-11-22 22:13:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 22:13:41,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:13:41,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-11-22 22:13:41,196 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-11-22 22:13:41,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 22:13:41,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 22:13:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-11-22 22:13:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-11-22 22:13:41,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 22:13:41,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:13:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-11-22 22:13:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-11-22 22:13:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 22:13:41,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 22:13:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-11-22 22:13:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-11-22 22:13:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 22:13:41,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:13:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:41,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2018-11-22 22:13:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2018-11-22 22:13:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 22:13:41,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 22:13:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2018-11-22 22:13:41,721 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2018-11-22 22:13:41,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 22:13:41,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 22:13:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2018-11-22 22:13:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2018-11-22 22:13:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-22 22:13:42,210 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 22:13:42,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2018-11-22 22:13:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2018-11-22 22:13:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-22 22:13:42,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-22 22:13:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-22 22:13:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-22 22:13:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 22:13:42,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-22 22:13:42,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2018-11-22 22:13:42,661 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2018-11-22 22:13:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 22:13:42,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 22:13:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-11-22 22:13:42,847 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-11-22 22:13:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-22 22:13:42,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 23 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 22:13:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2018-11-22 22:13:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2018-11-22 22:13:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-22 22:13:43,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-22 22:13:43,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2018-11-22 22:13:43,340 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2018-11-22 22:13:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-22 22:13:43,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 47 proven. 57 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 22:13:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2018-11-22 22:13:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2018-11-22 22:13:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-22 22:13:43,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 54 proven. 77 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 22:13:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2018-11-22 22:13:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2018-11-22 22:13:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 22:13:43,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 61 proven. 100 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 22:13:44,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2018-11-22 22:13:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2018-11-22 22:13:44,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 22:13:44,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 68 proven. 126 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 22:13:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:44,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2018-11-22 22:13:44,521 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2018-11-22 22:13:44,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 22:13:44,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:44,576 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 75 proven. 155 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 22:13:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 67 states and 87 transitions. [2018-11-22 22:13:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2018-11-22 22:13:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 22:13:44,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-11-22 22:13:45,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2018-11-22 22:13:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2018-11-22 22:13:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 22:13:45,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 117 proven. 187 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 22:13:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2018-11-22 22:13:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2018-11-22 22:13:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 22:13:45,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 1 proven. 151 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-22 22:13:46,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 82 states and 112 transitions. [2018-11-22 22:13:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2018-11-22 22:13:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 22:13:46,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 165 proven. 222 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 22:13:46,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 115 transitions. [2018-11-22 22:13:46,694 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2018-11-22 22:13:46,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 22:13:46,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 178 proven. 260 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 22:13:47,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2018-11-22 22:13:47,121 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2018-11-22 22:13:47,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-22 22:13:47,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 191 proven. 301 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 22:13:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 91 states and 121 transitions. [2018-11-22 22:13:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 121 transitions. [2018-11-22 22:13:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-22 22:13:47,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 204 proven. 345 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 22:13:47,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:47,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2018-11-22 22:13:47,963 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2018-11-22 22:13:47,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-22 22:13:47,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 217 proven. 392 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 22:13:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 97 states and 127 transitions. [2018-11-22 22:13:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 127 transitions. [2018-11-22 22:13:48,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-22 22:13:48,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 230 proven. 442 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 22:13:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 100 states and 130 transitions. [2018-11-22 22:13:48,851 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 130 transitions. [2018-11-22 22:13:48,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-22 22:13:48,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:48,929 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 243 proven. 495 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 22:13:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 103 states and 133 transitions. [2018-11-22 22:13:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 133 transitions. [2018-11-22 22:13:49,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-22 22:13:49,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-11-22 22:13:49,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:49,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 109 states and 143 transitions. [2018-11-22 22:13:49,699 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2018-11-22 22:13:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-22 22:13:49,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 315 proven. 551 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-22 22:13:50,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 112 states and 146 transitions. [2018-11-22 22:13:50,129 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 146 transitions. [2018-11-22 22:13:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 22:13:50,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 1 proven. 386 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2018-11-22 22:13:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 117 states and 157 transitions. [2018-11-22 22:13:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 157 transitions. [2018-11-22 22:13:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-22 22:13:51,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 393 proven. 610 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-22 22:13:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:51,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 120 states and 160 transitions. [2018-11-22 22:13:51,579 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 160 transitions. [2018-11-22 22:13:51,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-22 22:13:51,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 433 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2018-11-22 22:13:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 126 states and 170 transitions. [2018-11-22 22:13:52,351 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 170 transitions. [2018-11-22 22:13:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-22 22:13:52,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2018-11-22 22:13:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 130 states and 173 transitions. [2018-11-22 22:13:52,975 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 173 transitions. [2018-11-22 22:13:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-22 22:13:52,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 117 proven. 484 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2018-11-22 22:13:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 136 states and 185 transitions. [2018-11-22 22:13:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2018-11-22 22:13:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-22 22:13:53,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 2 proven. 619 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2018-11-22 22:13:55,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 143 states and 181 transitions. [2018-11-22 22:13:55,946 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 181 transitions. [2018-11-22 22:13:55,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-22 22:13:55,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 3 proven. 839 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2018-11-22 22:13:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 156 states and 189 transitions. [2018-11-22 22:13:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2018-11-22 22:13:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-22 22:13:58,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 954 refuted. 0 times theorem prover too weak. 965 trivial. 0 not checked. [2018-11-22 22:13:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 158 states and 190 transitions. [2018-11-22 22:13:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2018-11-22 22:13:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-22 22:13:58,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:13:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:13:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 0 proven. 976 refuted. 0 times theorem prover too weak. 995 trivial. 0 not checked. [2018-11-22 22:13:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:13:58,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2018-11-22 22:13:58,885 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2018-11-22 22:13:58,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:13:58,886 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 47 iterations. [2018-11-22 22:13:58,892 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-22 22:13:58,976 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-22 22:13:58,982 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-22 22:13:58,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 10:13:58 ImpRootNode [2018-11-22 22:13:58,983 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 22:13:58,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:13:58,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:13:58,984 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:13:58,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:13:39" (3/4) ... [2018-11-22 22:13:58,986 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:13:58,993 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-22 22:13:58,993 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 22:13:58,993 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:13:59,021 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c8b7b48d-9e75-4f8a-9a44-a1a688e41d1e/bin-2019/ukojak/witness.graphml [2018-11-22 22:13:59,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:13:59,022 INFO L168 Benchmark]: Toolchain (without parser) took 19416.80 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 473.4 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 292.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:13:59,023 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:13:59,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.93 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:13:59,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.63 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:13:59,024 INFO L168 Benchmark]: Boogie Preprocessor took 12.02 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:13:59,024 INFO L168 Benchmark]: RCFGBuilder took 206.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:13:59,024 INFO L168 Benchmark]: CodeCheck took 18992.33 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 334.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.2 MB). Peak memory consumption was 322.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:13:59,025 INFO L168 Benchmark]: Witness Printer took 38.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 83.8 kB). Peak memory consumption was 83.8 kB. Max. memory is 11.5 GB. [2018-11-22 22:13:59,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 4 error locations. SAFE Result, 18.8s OverallTime, 47 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 290475126 SDslu, 0 SDs, 0 SdLazy, -1381958630 SolverSat, -395308412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15516 GetRequests, 13488 SyntacticMatches, 1578 SemanticMatches, 450 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100737 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2138 NumberOfCodeBlocks, 2138 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 2092 ConstructedInterpolants, 0 QuantifiedInterpolants, 408898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 11 PerfectInterpolantSequences, 10767/20445 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: n <= 2147483647 && 0 <= i + 2147483648 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((n <= 2147483647 && 0 <= i + 2147483648) && 0 <= j) && i <= 2147483646 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.93 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.63 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.02 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 206.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 18992.33 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 334.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -12.2 MB). Peak memory consumption was 322.3 MB. Max. memory is 11.5 GB. * Witness Printer took 38.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 83.8 kB). Peak memory consumption was 83.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...