./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/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_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/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 0.1.23-5842f4b [2018-11-18 10:45:47,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:45:47,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:45:47,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:45:47,160 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:45:47,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:45:47,161 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:45:47,163 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:45:47,164 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:45:47,164 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:45:47,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:45:47,165 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:45:47,166 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:45:47,167 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:45:47,167 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:45:47,168 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:45:47,169 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:45:47,170 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:45:47,171 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:45:47,172 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:45:47,173 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:45:47,174 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:45:47,176 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:45:47,176 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:45:47,176 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:45:47,177 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:45:47,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:45:47,178 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:45:47,179 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:45:47,179 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:45:47,179 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:45:47,180 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:45:47,180 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:45:47,180 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:45:47,181 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:45:47,181 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:45:47,182 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 10:45:47,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:45:47,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:45:47,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:45:47,191 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:45:47,191 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:45:47,192 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:45:47,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:45:47,192 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:45:47,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:45:47,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:45:47,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:45:47,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:45:47,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:45:47,193 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 10:45:47,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:45:47,193 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:45:47,193 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:45:47,194 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:45:47,194 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:45:47,194 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:45:47,194 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:45:47,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:45:47,194 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:45:47,194 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:45:47,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:45:47,195 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:45:47,195 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:45:47,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:45:47,195 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_ab748312-acd4-46bc-9661-3e3b1aa93b24/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 [2018-11-18 10:45:47,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:45:47,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:45:47,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:45:47,236 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:45:47,236 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:45:47,236 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c [2018-11-18 10:45:47,274 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/data/7054a400f/00155dcfdea64502ac6fd9f602c94a54/FLAGed2ab3245 [2018-11-18 10:45:47,608 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:45:47,608 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1_true-termination_true-no-overflow.c [2018-11-18 10:45:47,612 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/data/7054a400f/00155dcfdea64502ac6fd9f602c94a54/FLAGed2ab3245 [2018-11-18 10:45:48,040 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/data/7054a400f/00155dcfdea64502ac6fd9f602c94a54 [2018-11-18 10:45:48,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:45:48,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:45:48,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:45:48,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:45:48,047 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:45:48,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795587e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48, skipping insertion in model container [2018-11-18 10:45:48,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:45:48,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:45:48,164 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:45:48,166 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:45:48,175 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:45:48,183 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:45:48,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48 WrapperNode [2018-11-18 10:45:48,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:45:48,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:45:48,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:45:48,184 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:45:48,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:45:48,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:45:48,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:45:48,212 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:45:48,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:45:48,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:45:48,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:45:48,227 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:45:48,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/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 [2018-11-18 10:45:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:45:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:45:48,416 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:45:48,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:45:48 BoogieIcfgContainer [2018-11-18 10:45:48,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:45:48,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:45:48,417 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:45:48,426 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:45:48,426 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:45:48" (1/1) ... [2018-11-18 10:45:48,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:45:48,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 10:45:48,468 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 10:45:48,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 10:45:48,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:48,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-18 10:45:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-18 10:45:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 10:45:48,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-11-18 10:45:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-11-18 10:45:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 10:45:48,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-11-18 10:45:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-18 10:45:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 10:45:48,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-18 10:45:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-18 10:45:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 10:45:48,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-18 10:45:49,031 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-18 10:45:49,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 10:45:49,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:45:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2018-11-18 10:45:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2018-11-18 10:45:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 10:45:49,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2018-11-18 10:45:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2018-11-18 10:45:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:45:49,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:45:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2018-11-18 10:45:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-11-18 10:45:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 10:45:49,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:45:49,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2018-11-18 10:45:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2018-11-18 10:45:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 10:45:49,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2018-11-18 10:45:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2018-11-18 10:45:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 10:45:49,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:45:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2018-11-18 10:45:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2018-11-18 10:45:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:45:50,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:45:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 62 transitions. [2018-11-18 10:45:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 62 transitions. [2018-11-18 10:45:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:45:50,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2018-11-18 10:45:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2018-11-18 10:45:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:45:50,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 10:45:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2018-11-18 10:45:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2018-11-18 10:45:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:45:50,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 10:45:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 71 transitions. [2018-11-18 10:45:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2018-11-18 10:45:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:45:50,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 10:45:50,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:50,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-11-18 10:45:50,772 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-11-18 10:45:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:45:50,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:50,784 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 10:45:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2018-11-18 10:45:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2018-11-18 10:45:50,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:45:50,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:51,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2018-11-18 10:45:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2018-11-18 10:45:51,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:45:51,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:45:51,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2018-11-18 10:45:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2018-11-18 10:45:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:45:51,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:45:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2018-11-18 10:45:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2018-11-18 10:45:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:45:51,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:45:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2018-11-18 10:45:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2018-11-18 10:45:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:45:51,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 10:45:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-11-18 10:45:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-11-18 10:45:51,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:45:51,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 10:45:52,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 66 states and 97 transitions. [2018-11-18 10:45:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2018-11-18 10:45:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:45:52,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 10:45:52,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2018-11-18 10:45:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2018-11-18 10:45:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:45:52,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 10:45:52,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2018-11-18 10:45:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2018-11-18 10:45:52,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:45:52,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 10:45:52,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2018-11-18 10:45:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2018-11-18 10:45:52,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:45:52,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 10:45:52,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:52,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-11-18 10:45:52,692 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-11-18 10:45:52,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:45:52,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 10:45:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 102 transitions. [2018-11-18 10:45:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2018-11-18 10:45:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 10:45:53,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:45:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 10:45:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:45:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2018-11-18 10:45:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2018-11-18 10:45:53,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:45:53,167 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2018-11-18 10:45:53,174 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 10:45:53,286 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:45:53,288 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 10:45:53,293 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-18 10:45:53,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:45:53 ImpRootNode [2018-11-18 10:45:53,294 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:45:53,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:45:53,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:45:53,295 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:45:53,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:45:48" (3/4) ... [2018-11-18 10:45:53,298 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:45:53,307 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 10:45:53,307 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:45:53,308 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:45:53,338 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ab748312-acd4-46bc-9661-3e3b1aa93b24/bin-2019/ukojak/witness.graphml [2018-11-18 10:45:53,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:45:53,339 INFO L168 Benchmark]: Toolchain (without parser) took 5295.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 959.2 MB in the beginning and 894.1 MB in the end (delta: 65.1 MB). Peak memory consumption was 226.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:53,340 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:45:53,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.72 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:53,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.67 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:53,342 INFO L168 Benchmark]: Boogie Preprocessor took 14.76 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:45:53,342 INFO L168 Benchmark]: RCFGBuilder took 189.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:53,343 INFO L168 Benchmark]: CodeCheck took 4877.67 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 899.5 MB in the end (delta: 197.5 MB). Peak memory consumption was 246.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:53,343 INFO L168 Benchmark]: Witness Printer took 43.91 ms. Allocated memory is still 1.2 GB. Free memory was 899.5 MB in the beginning and 894.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:53,346 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, 18 locations, 4 error locations. SAFE Result, 4.7s OverallTime, 30 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -939524096 SDtfs, 2136459472 SDslu, 1333484336 SDs, 0 SdLazy, -1060862944 SolverSat, 1519928856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4701 GetRequests, 4120 SyntacticMatches, 419 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11163 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 41574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 16 PerfectInterpolantSequences, 580/827 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: 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.72 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 27.67 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.76 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 189.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * CodeCheck took 4877.67 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 899.5 MB in the end (delta: 197.5 MB). Peak memory consumption was 246.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.91 ms. Allocated memory is still 1.2 GB. Free memory was 899.5 MB in the beginning and 894.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...