./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/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 6ff697c57265298ce2261966fa58c440777fc865 .............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:16:44,172 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:16:44,175 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:16:44,186 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:16:44,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:16:44,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:16:44,188 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:16:44,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:16:44,191 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:16:44,194 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:16:44,194 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:16:44,195 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:16:44,195 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:16:44,196 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:16:44,197 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:16:44,198 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:16:44,199 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:16:44,201 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:16:44,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:16:44,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:16:44,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:16:44,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:16:44,210 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:16:44,210 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:16:44,211 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:16:44,212 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:16:44,213 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:16:44,214 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:16:44,215 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:16:44,216 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:16:44,216 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:16:44,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:16:44,218 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:16:44,218 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:16:44,219 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:16:44,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:16:44,220 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-10-27 05:16:44,235 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:16:44,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:16:44,237 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:16:44,237 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:16:44,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:16:44,238 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:16:44,238 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:16:44,238 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:16:44,238 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:16:44,239 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:16:44,239 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:16:44,239 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:16:44,239 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:16:44,239 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:16:44,239 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:16:44,240 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:16:44,240 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:16:44,240 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:16:44,240 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:16:44,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:16:44,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:16:44,243 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:16:44,243 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:16:44,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:16:44,244 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:16:44,244 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:16:44,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:16:44,244 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_7d7be109-d94c-4066-89ea-5f73a99ba345/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 -> 6ff697c57265298ce2261966fa58c440777fc865 [2018-10-27 05:16:44,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:16:44,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:16:44,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:16:44,310 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:16:44,310 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:16:44,311 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2_false-no-overflow.c [2018-10-27 05:16:44,380 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/data/900d828ea/9c6a76b06c554c01b16785c3c50a9c88/FLAG506f941d2 [2018-10-27 05:16:44,810 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:16:44,811 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2_false-no-overflow.c [2018-10-27 05:16:44,819 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/data/900d828ea/9c6a76b06c554c01b16785c3c50a9c88/FLAG506f941d2 [2018-10-27 05:16:44,835 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/data/900d828ea/9c6a76b06c554c01b16785c3c50a9c88 [2018-10-27 05:16:44,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:16:44,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:16:44,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:44,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:16:44,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:16:44,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:44" (1/1) ... [2018-10-27 05:16:44,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725047b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:44, skipping insertion in model container [2018-10-27 05:16:44,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:44" (1/1) ... [2018-10-27 05:16:44,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:16:44,890 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:16:45,095 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:45,099 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:16:45,124 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:45,142 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:16:45,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45 WrapperNode [2018-10-27 05:16:45,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:45,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:45,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:16:45,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:16:45,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... [2018-10-27 05:16:45,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... [2018-10-27 05:16:45,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:45,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:16:45,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:16:45,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:16:45,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... [2018-10-27 05:16:45,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... [2018-10-27 05:16:45,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... [2018-10-27 05:16:45,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... [2018-10-27 05:16:45,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... [2018-10-27 05:16:45,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... [2018-10-27 05:16:45,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... [2018-10-27 05:16:45,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:16:45,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:16:45,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:16:45,221 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:16:45,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/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 [2018-10-27 05:16:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-10-27 05:16:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-10-27 05:16:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:16:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:16:46,227 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:16:46,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:46 BoogieIcfgContainer [2018-10-27 05:16:46,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:16:46,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:16:46,229 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:16:46,242 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:16:46,242 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:46" (1/1) ... [2018-10-27 05:16:46,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:16:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2018-10-27 05:16:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2018-10-27 05:16:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-27 05:16:46,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2018-10-27 05:16:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2018-10-27 05:16:46,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-27 05:16:46,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2018-10-27 05:16:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2018-10-27 05:16:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:16:46,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2018-10-27 05:16:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2018-10-27 05:16:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 05:16:46,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2018-10-27 05:16:47,010 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2018-10-27 05:16:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 05:16:47,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 117 transitions. [2018-10-27 05:16:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2018-10-27 05:16:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 05:16:47,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 68 states and 108 transitions. [2018-10-27 05:16:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 108 transitions. [2018-10-27 05:16:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:16:47,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:47,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 104 transitions. [2018-10-27 05:16:47,608 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 104 transitions. [2018-10-27 05:16:47,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:16:47,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 100 transitions. [2018-10-27 05:16:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2018-10-27 05:16:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:16:47,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 102 transitions. [2018-10-27 05:16:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2018-10-27 05:16:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 05:16:47,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:48,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 112 transitions. [2018-10-27 05:16:48,448 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 112 transitions. [2018-10-27 05:16:48,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:16:48,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:48,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:48,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:48,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 62 states and 99 transitions. [2018-10-27 05:16:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 99 transitions. [2018-10-27 05:16:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 05:16:48,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 119 transitions. [2018-10-27 05:16:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2018-10-27 05:16:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 05:16:48,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 121 transitions. [2018-10-27 05:16:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 121 transitions. [2018-10-27 05:16:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 05:16:48,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 123 transitions. [2018-10-27 05:16:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2018-10-27 05:16:48,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 05:16:48,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:49,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:49,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 78 states and 125 transitions. [2018-10-27 05:16:49,040 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 125 transitions. [2018-10-27 05:16:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:16:49,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 83 states and 137 transitions. [2018-10-27 05:16:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2018-10-27 05:16:49,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 05:16:49,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:49,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 139 transitions. [2018-10-27 05:16:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 139 transitions. [2018-10-27 05:16:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:16:49,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 93 states and 154 transitions. [2018-10-27 05:16:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2018-10-27 05:16:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:16:49,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 91 states and 150 transitions. [2018-10-27 05:16:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2018-10-27 05:16:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:16:49,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 89 states and 146 transitions. [2018-10-27 05:16:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2018-10-27 05:16:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:16:49,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 91 states and 148 transitions. [2018-10-27 05:16:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2018-10-27 05:16:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 05:16:50,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 147 transitions. [2018-10-27 05:16:50,787 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2018-10-27 05:16:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:16:50,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 83 states and 134 transitions. [2018-10-27 05:16:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2018-10-27 05:16:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:16:51,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 87 states and 149 transitions. [2018-10-27 05:16:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 149 transitions. [2018-10-27 05:16:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 05:16:51,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 85 states and 145 transitions. [2018-10-27 05:16:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2018-10-27 05:16:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 05:16:52,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:52,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 83 states and 141 transitions. [2018-10-27 05:16:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 141 transitions. [2018-10-27 05:16:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 05:16:52,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:52,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 85 states and 143 transitions. [2018-10-27 05:16:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 143 transitions. [2018-10-27 05:16:52,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:16:52,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:16:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:16:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:16:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:16:52,638 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2018-10-27 05:16:52,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:16:52 ImpRootNode [2018-10-27 05:16:52,662 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:16:52,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:16:52,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:16:52,662 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:16:52,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:46" (3/4) ... [2018-10-27 05:16:52,667 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:16:52,717 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7d7be109-d94c-4066-89ea-5f73a99ba345/bin-2019/ukojak/witness.graphml [2018-10-27 05:16:52,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:16:52,725 INFO L168 Benchmark]: Toolchain (without parser) took 7885.47 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 960.7 MB in the beginning and 1.2 GB in the end (delta: -230.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:52,727 INFO L168 Benchmark]: CDTParser took 1.40 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:52,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.82 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:52,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.95 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:52,729 INFO L168 Benchmark]: Boogie Preprocessor took 38.36 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:52,730 INFO L168 Benchmark]: RCFGBuilder took 1006.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:52,731 INFO L168 Benchmark]: CodeCheck took 6433.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -49.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:52,732 INFO L168 Benchmark]: Witness Printer took 62.51 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:52,735 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 2 procedures, 50 locations, 6 error locations. UNSAFE Result, 6.3s OverallTime, 28 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1707726684 SDtfs, 1921922004 SDslu, -1473043612 SDs, 0 SdLazy, 1449431672 SolverSat, 403783628 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4452 GetRequests, 4120 SyntacticMatches, 278 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 24488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 26 PerfectInterpolantSequences, 0/3 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 - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 [L80] COND TRUE x > 0 [L81] x - d * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.82 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 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 38.95 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.36 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1006.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 6433.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -49.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 62.51 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...