./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid_true-no-overflow_true-valid-memsafety.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid_true-no-overflow_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8e886c6e3abc79c194ec44ea4cf6d83eeae3b7c8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:33:34,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:33:34,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:33:34,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:33:34,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:33:34,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:33:34,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:33:34,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:33:34,235 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:33:34,235 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:33:34,236 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:33:34,236 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:33:34,237 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:33:34,238 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:33:34,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:33:34,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:33:34,239 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:33:34,240 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:33:34,241 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:33:34,242 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:33:34,243 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:33:34,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:33:34,245 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:33:34,245 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:33:34,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:33:34,246 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:33:34,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:33:34,247 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:33:34,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:33:34,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:33:34,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:33:34,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:33:34,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:33:34,248 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:33:34,249 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:33:34,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:33:34,249 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-23 03:33:34,256 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:33:34,256 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:33:34,257 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:33:34,257 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:33:34,257 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:33:34,257 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:33:34,258 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:33:34,258 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:33:34,258 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 03:33:34,258 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:33:34,258 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:33:34,258 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:33:34,258 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:33:34,258 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:33:34,259 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 03:33:34,259 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:33:34,259 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:33:34,259 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:33:34,259 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:33:34,259 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:33:34,259 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:33:34,260 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:33:34,260 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:33:34,260 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:33:34,260 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:33:34,260 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:33:34,260 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:33:34,260 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:33:34,260 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:33:34,260 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_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer 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 -> Automizer 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 -> 8e886c6e3abc79c194ec44ea4cf6d83eeae3b7c8 [2018-11-23 03:33:34,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:33:34,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:33:34,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:33:34,297 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:33:34,297 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:33:34,298 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/hostid_true-no-overflow_true-valid-memsafety.i [2018-11-23 03:33:34,342 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/data/f534f6ca3/670e18c3c8c74d809d54d51fac30acad/FLAG5c357d858 [2018-11-23 03:33:34,763 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:33:34,764 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/sv-benchmarks/c/busybox-1.22.0/hostid_true-no-overflow_true-valid-memsafety.i [2018-11-23 03:33:34,777 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/data/f534f6ca3/670e18c3c8c74d809d54d51fac30acad/FLAG5c357d858 [2018-11-23 03:33:35,099 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/data/f534f6ca3/670e18c3c8c74d809d54d51fac30acad [2018-11-23 03:33:35,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:33:35,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:33:35,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:33:35,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:33:35,105 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:33:35,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:35" (1/1) ... [2018-11-23 03:33:35,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68aaf6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:35, skipping insertion in model container [2018-11-23 03:33:35,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:35" (1/1) ... [2018-11-23 03:33:35,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:33:35,157 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:33:35,705 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:33:35,722 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:33:35,856 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:33:36,047 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:33:36,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36 WrapperNode [2018-11-23 03:33:36,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:33:36,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:33:36,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:33:36,048 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:33:36,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2018-11-23 03:33:36,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2018-11-23 03:33:36,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:33:36,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:33:36,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:33:36,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:33:36,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2018-11-23 03:33:36,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2018-11-23 03:33:36,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2018-11-23 03:33:36,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2018-11-23 03:33:36,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2018-11-23 03:33:36,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2018-11-23 03:33:36,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2018-11-23 03:33:36,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:33:36,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:33:36,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:33:36,146 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:33:36,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-23 03:33:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:33:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2018-11-23 03:33:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:33:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2018-11-23 03:33:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:33:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:33:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 03:33:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:33:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:33:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2018-11-23 03:33:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2018-11-23 03:33:36,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:33:36,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 03:33:36,194 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2018-11-23 03:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2018-11-23 03:33:36,194 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2018-11-23 03:33:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2018-11-23 03:33:36,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 03:33:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:33:36,679 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:33:36,679 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 03:33:36,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:36 BoogieIcfgContainer [2018-11-23 03:33:36,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:33:36,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:33:36,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:33:36,682 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:33:36,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:33:35" (1/3) ... [2018-11-23 03:33:36,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4797af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:33:36, skipping insertion in model container [2018-11-23 03:33:36,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (2/3) ... [2018-11-23 03:33:36,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4797af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:33:36, skipping insertion in model container [2018-11-23 03:33:36,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:36" (3/3) ... [2018-11-23 03:33:36,684 INFO L112 eAbstractionObserver]: Analyzing ICFG hostid_true-no-overflow_true-valid-memsafety.i [2018-11-23 03:33:36,690 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:33:36,697 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2018-11-23 03:33:36,707 INFO L257 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2018-11-23 03:33:36,728 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:33:36,729 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:33:36,729 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:33:36,729 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:33:36,729 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:33:36,729 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:33:36,729 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:33:36,729 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:33:36,730 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:33:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-11-23 03:33:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 03:33:36,746 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:36,747 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:36,749 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:36,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:36,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1816675413, now seen corresponding path program 1 times [2018-11-23 03:33:36,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:36,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:36,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:36,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:36,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:37,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:37,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:37,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:37,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:37,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,030 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2018-11-23 03:33:37,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:37,075 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2018-11-23 03:33:37,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:37,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-23 03:33:37,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:37,083 INFO L225 Difference]: With dead ends: 116 [2018-11-23 03:33:37,083 INFO L226 Difference]: Without dead ends: 58 [2018-11-23 03:33:37,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-23 03:33:37,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-23 03:33:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-23 03:33:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2018-11-23 03:33:37,110 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 8 [2018-11-23 03:33:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:37,113 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2018-11-23 03:33:37,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2018-11-23 03:33:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 03:33:37,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:37,114 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:37,115 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:37,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,115 INFO L82 PathProgramCache]: Analyzing trace with hash 482363001, now seen corresponding path program 1 times [2018-11-23 03:33:37,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:37,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:37,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:37,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:37,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:37,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:37,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:37,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:37,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,185 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand 3 states. [2018-11-23 03:33:37,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:37,207 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2018-11-23 03:33:37,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:37,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-23 03:33:37,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:37,209 INFO L225 Difference]: With dead ends: 61 [2018-11-23 03:33:37,209 INFO L226 Difference]: Without dead ends: 60 [2018-11-23 03:33:37,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-23 03:33:37,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-11-23 03:33:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-23 03:33:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-11-23 03:33:37,216 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 9 [2018-11-23 03:33:37,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:37,216 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-11-23 03:33:37,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-11-23 03:33:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 03:33:37,217 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:37,217 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:37,217 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:37,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,218 INFO L82 PathProgramCache]: Analyzing trace with hash -884370544, now seen corresponding path program 1 times [2018-11-23 03:33:37,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:37,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:37,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:37,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:33:37,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:37,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:37,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:37,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:37,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,291 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 3 states. [2018-11-23 03:33:37,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:37,323 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-11-23 03:33:37,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:37,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-23 03:33:37,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:37,325 INFO L225 Difference]: With dead ends: 60 [2018-11-23 03:33:37,325 INFO L226 Difference]: Without dead ends: 56 [2018-11-23 03:33:37,325 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-23 03:33:37,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-11-23 03:33:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-11-23 03:33:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-11-23 03:33:37,331 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 12 [2018-11-23 03:33:37,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:37,331 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-11-23 03:33:37,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:37,331 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-11-23 03:33:37,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 03:33:37,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:37,332 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:37,332 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:37,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,333 INFO L82 PathProgramCache]: Analyzing trace with hash -884368814, now seen corresponding path program 1 times [2018-11-23 03:33:37,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:37,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:37,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:37,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:33:37,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:37,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:37,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:37,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:37,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,412 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 3 states. [2018-11-23 03:33:37,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:37,425 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2018-11-23 03:33:37,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:37,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-23 03:33:37,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:37,426 INFO L225 Difference]: With dead ends: 56 [2018-11-23 03:33:37,426 INFO L226 Difference]: Without dead ends: 55 [2018-11-23 03:33:37,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-23 03:33:37,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2018-11-23 03:33:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-23 03:33:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2018-11-23 03:33:37,431 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 12 [2018-11-23 03:33:37,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:37,431 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2018-11-23 03:33:37,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2018-11-23 03:33:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 03:33:37,431 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:37,432 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:37,432 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:37,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1645683034, now seen corresponding path program 1 times [2018-11-23 03:33:37,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:37,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:37,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:37,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:33:37,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:37,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:37,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:37,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:37,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,494 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 3 states. [2018-11-23 03:33:37,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:37,541 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2018-11-23 03:33:37,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:37,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 03:33:37,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:37,542 INFO L225 Difference]: With dead ends: 53 [2018-11-23 03:33:37,542 INFO L226 Difference]: Without dead ends: 51 [2018-11-23 03:33:37,542 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-23 03:33:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-11-23 03:33:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-23 03:33:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-11-23 03:33:37,547 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 13 [2018-11-23 03:33:37,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:37,547 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-11-23 03:33:37,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-11-23 03:33:37,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 03:33:37,548 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:37,548 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:37,549 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:37,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,549 INFO L82 PathProgramCache]: Analyzing trace with hash -953428952, now seen corresponding path program 1 times [2018-11-23 03:33:37,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:37,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:37,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:37,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:33:37,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:37,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:37,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:37,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:37,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,605 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 3 states. [2018-11-23 03:33:37,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:37,637 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-11-23 03:33:37,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:37,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-23 03:33:37,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:37,638 INFO L225 Difference]: With dead ends: 51 [2018-11-23 03:33:37,639 INFO L226 Difference]: Without dead ends: 49 [2018-11-23 03:33:37,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-23 03:33:37,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-23 03:33:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-23 03:33:37,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-11-23 03:33:37,643 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 15 [2018-11-23 03:33:37,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:37,643 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-11-23 03:33:37,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-11-23 03:33:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 03:33:37,644 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:37,644 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:37,645 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:37,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1781795114, now seen corresponding path program 1 times [2018-11-23 03:33:37,645 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:37,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:37,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:37,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:33:37,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:37,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:33:37,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:37,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:37,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,710 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 3 states. [2018-11-23 03:33:37,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:37,734 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2018-11-23 03:33:37,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:37,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-23 03:33:37,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:37,735 INFO L225 Difference]: With dead ends: 82 [2018-11-23 03:33:37,735 INFO L226 Difference]: Without dead ends: 52 [2018-11-23 03:33:37,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-23 03:33:37,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-23 03:33:37,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-23 03:33:37,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-11-23 03:33:37,739 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 22 [2018-11-23 03:33:37,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:37,740 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-11-23 03:33:37,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-11-23 03:33:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 03:33:37,740 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:37,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:37,741 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:37,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,741 INFO L82 PathProgramCache]: Analyzing trace with hash -40845406, now seen corresponding path program 1 times [2018-11-23 03:33:37,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:37,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:37,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:37,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 03:33:37,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:37,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:33:37,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:33:37,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:33:37,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:33:37,823 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 4 states. [2018-11-23 03:33:37,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:37,885 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2018-11-23 03:33:37,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:33:37,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-11-23 03:33:37,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:37,887 INFO L225 Difference]: With dead ends: 60 [2018-11-23 03:33:37,887 INFO L226 Difference]: Without dead ends: 59 [2018-11-23 03:33:37,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:33:37,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-23 03:33:37,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 51. [2018-11-23 03:33:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-23 03:33:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-11-23 03:33:37,896 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 25 [2018-11-23 03:33:37,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:37,896 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-11-23 03:33:37,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:33:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-11-23 03:33:37,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 03:33:37,897 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:37,897 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:37,897 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:37,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,897 INFO L82 PathProgramCache]: Analyzing trace with hash -40845351, now seen corresponding path program 1 times [2018-11-23 03:33:37,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:37,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:37,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:37,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 03:33:37,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:37,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:37,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:37,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:37,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,956 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 3 states. [2018-11-23 03:33:37,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:37,973 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-11-23 03:33:37,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:37,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-23 03:33:37,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:37,974 INFO L225 Difference]: With dead ends: 51 [2018-11-23 03:33:37,974 INFO L226 Difference]: Without dead ends: 50 [2018-11-23 03:33:37,974 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:37,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-23 03:33:37,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-23 03:33:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 03:33:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-11-23 03:33:37,978 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 25 [2018-11-23 03:33:37,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:37,978 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-11-23 03:33:37,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-11-23 03:33:37,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 03:33:37,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:37,979 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:37,979 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:37,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:37,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1266207492, now seen corresponding path program 1 times [2018-11-23 03:33:37,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:37,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:37,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:37,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 03:33:38,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:38,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:38,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:38,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:38,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,047 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 3 states. [2018-11-23 03:33:38,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:38,073 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2018-11-23 03:33:38,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:38,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-11-23 03:33:38,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:38,074 INFO L225 Difference]: With dead ends: 68 [2018-11-23 03:33:38,074 INFO L226 Difference]: Without dead ends: 67 [2018-11-23 03:33:38,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-23 03:33:38,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2018-11-23 03:33:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-23 03:33:38,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2018-11-23 03:33:38,079 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 26 [2018-11-23 03:33:38,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:38,079 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2018-11-23 03:33:38,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2018-11-23 03:33:38,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 03:33:38,079 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:38,080 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:38,080 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:38,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:38,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1266205794, now seen corresponding path program 1 times [2018-11-23 03:33:38,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:38,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:38,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:38,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:33:38,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:38,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:38,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:38,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:38,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,142 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 3 states. [2018-11-23 03:33:38,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:38,156 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-11-23 03:33:38,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:38,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-11-23 03:33:38,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:38,157 INFO L225 Difference]: With dead ends: 66 [2018-11-23 03:33:38,157 INFO L226 Difference]: Without dead ends: 65 [2018-11-23 03:33:38,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-23 03:33:38,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 54. [2018-11-23 03:33:38,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-23 03:33:38,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2018-11-23 03:33:38,161 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 26 [2018-11-23 03:33:38,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:38,162 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2018-11-23 03:33:38,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:38,162 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2018-11-23 03:33:38,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 03:33:38,162 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:38,163 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:38,163 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:38,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:38,163 INFO L82 PathProgramCache]: Analyzing trace with hash 156774894, now seen corresponding path program 1 times [2018-11-23 03:33:38,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:38,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:38,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:38,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:33:38,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:38,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:33:38,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:33:38,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:33:38,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:33:38,238 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand 4 states. [2018-11-23 03:33:38,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:38,286 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2018-11-23 03:33:38,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:33:38,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-11-23 03:33:38,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:38,286 INFO L225 Difference]: With dead ends: 55 [2018-11-23 03:33:38,287 INFO L226 Difference]: Without dead ends: 54 [2018-11-23 03:33:38,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:33:38,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-23 03:33:38,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2018-11-23 03:33:38,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-23 03:33:38,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-11-23 03:33:38,291 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 34 [2018-11-23 03:33:38,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:38,291 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-11-23 03:33:38,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:33:38,291 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-11-23 03:33:38,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 03:33:38,292 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:38,292 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:38,292 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:38,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:38,293 INFO L82 PathProgramCache]: Analyzing trace with hash 565054530, now seen corresponding path program 1 times [2018-11-23 03:33:38,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:38,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:38,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:38,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:33:38,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:38,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:38,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:38,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:38,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,363 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 3 states. [2018-11-23 03:33:38,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:38,375 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2018-11-23 03:33:38,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:38,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2018-11-23 03:33:38,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:38,376 INFO L225 Difference]: With dead ends: 57 [2018-11-23 03:33:38,376 INFO L226 Difference]: Without dead ends: 56 [2018-11-23 03:33:38,376 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-23 03:33:38,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-11-23 03:33:38,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-11-23 03:33:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2018-11-23 03:33:38,380 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 35 [2018-11-23 03:33:38,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:38,380 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2018-11-23 03:33:38,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2018-11-23 03:33:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 03:33:38,381 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:38,381 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:38,381 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:38,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:38,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1336905004, now seen corresponding path program 1 times [2018-11-23 03:33:38,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:38,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:38,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:38,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:38,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:33:38,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:38,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:38,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:38,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:38,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,451 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 3 states. [2018-11-23 03:33:38,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:38,464 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2018-11-23 03:33:38,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:38,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-23 03:33:38,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:38,465 INFO L225 Difference]: With dead ends: 56 [2018-11-23 03:33:38,465 INFO L226 Difference]: Without dead ends: 55 [2018-11-23 03:33:38,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-23 03:33:38,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2018-11-23 03:33:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-23 03:33:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-11-23 03:33:38,468 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 33 [2018-11-23 03:33:38,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:38,468 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-11-23 03:33:38,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-11-23 03:33:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 03:33:38,470 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:33:38,470 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:33:38,470 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 03:33:38,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:33:38,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1562776555, now seen corresponding path program 1 times [2018-11-23 03:33:38,470 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:33:38,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:33:38,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:33:38,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:33:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:33:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:33:38,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:33:38,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:33:38,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:33:38,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:33:38,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,524 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 3 states. [2018-11-23 03:33:38,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:33:38,533 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-11-23 03:33:38,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:33:38,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-23 03:33:38,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:33:38,534 INFO L225 Difference]: With dead ends: 48 [2018-11-23 03:33:38,534 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:33:38,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:33:38,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:33:38,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:33:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:33:38,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:33:38,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-11-23 03:33:38,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:33:38,535 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:33:38,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:33:38,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:33:38,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:33:38,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:33:38,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:33:38,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:33:38,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:33:38,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:33:38,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:33:38,727 INFO L448 ceAbstractionStarter]: For program point fflush_allFINAL(lines 1757 1762) no Hoare annotation was computed. [2018-11-23 03:33:38,727 INFO L448 ceAbstractionStarter]: For program point fflush_allEXIT(lines 1757 1762) no Hoare annotation was computed. [2018-11-23 03:33:38,727 INFO L451 ceAbstractionStarter]: At program point fflush_allENTRY(lines 1757 1762) the Hoare annotation is: true [2018-11-23 03:33:38,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:33:38,727 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:33:38,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:33:38,728 INFO L448 ceAbstractionStarter]: For program point bb_show_usageEXIT(lines 1753 1756) no Hoare annotation was computed. [2018-11-23 03:33:38,728 INFO L451 ceAbstractionStarter]: At program point bb_show_usageFINAL(lines 1753 1756) the Hoare annotation is: true [2018-11-23 03:33:38,728 INFO L451 ceAbstractionStarter]: At program point __mainENTRY(lines 1766 1776) the Hoare annotation is: true [2018-11-23 03:33:38,728 INFO L451 ceAbstractionStarter]: At program point L1774(line 1774) the Hoare annotation is: true [2018-11-23 03:33:38,728 INFO L448 ceAbstractionStarter]: For program point L1774-1(line 1774) no Hoare annotation was computed. [2018-11-23 03:33:38,728 INFO L451 ceAbstractionStarter]: At program point L1769(line 1769) the Hoare annotation is: true [2018-11-23 03:33:38,728 INFO L448 ceAbstractionStarter]: For program point __mainFINAL(lines 1766 1776) no Hoare annotation was computed. [2018-11-23 03:33:38,728 INFO L448 ceAbstractionStarter]: For program point L1768(lines 1768 1769) no Hoare annotation was computed. [2018-11-23 03:33:38,728 INFO L448 ceAbstractionStarter]: For program point L1768-1(lines 1768 1769) no Hoare annotation was computed. [2018-11-23 03:33:38,728 INFO L448 ceAbstractionStarter]: For program point __mainEXIT(lines 1766 1776) no Hoare annotation was computed. [2018-11-23 03:33:38,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:33:38,729 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 03:33:38,729 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:33:38,729 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:33:38,729 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1857 1886) no Hoare annotation was computed. [2018-11-23 03:33:38,729 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2018-11-23 03:33:38,729 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1871) no Hoare annotation was computed. [2018-11-23 03:33:38,729 INFO L448 ceAbstractionStarter]: For program point L1869(line 1869) no Hoare annotation was computed. [2018-11-23 03:33:38,729 INFO L448 ceAbstractionStarter]: For program point L1869-1(line 1869) no Hoare annotation was computed. [2018-11-23 03:33:38,729 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1868) no Hoare annotation was computed. [2018-11-23 03:33:38,729 INFO L448 ceAbstractionStarter]: For program point L1869-2(line 1869) no Hoare annotation was computed. [2018-11-23 03:33:38,730 INFO L448 ceAbstractionStarter]: For program point L1869-3(line 1869) no Hoare annotation was computed. [2018-11-23 03:33:38,730 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1876) no Hoare annotation was computed. [2018-11-23 03:33:38,730 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1861) no Hoare annotation was computed. [2018-11-23 03:33:38,730 INFO L448 ceAbstractionStarter]: For program point L1861-2(lines 1861 1862) no Hoare annotation was computed. [2018-11-23 03:33:38,730 INFO L448 ceAbstractionStarter]: For program point L1861-3(line 1861) no Hoare annotation was computed. [2018-11-23 03:33:38,730 INFO L444 ceAbstractionStarter]: At program point L1861-4(lines 1861 1862) the Hoare annotation is: (<= 0 (+ main_~i~3 2147483648)) [2018-11-23 03:33:38,730 INFO L448 ceAbstractionStarter]: For program point L1861-5(lines 1861 1862) no Hoare annotation was computed. [2018-11-23 03:33:38,730 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2018-11-23 03:33:38,730 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1868) no Hoare annotation was computed. [2018-11-23 03:33:38,730 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1868) no Hoare annotation was computed. [2018-11-23 03:33:38,731 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1876) no Hoare annotation was computed. [2018-11-23 03:33:38,731 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1861) no Hoare annotation was computed. [2018-11-23 03:33:38,731 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2018-11-23 03:33:38,731 INFO L448 ceAbstractionStarter]: For program point L1879(line 1879) no Hoare annotation was computed. [2018-11-23 03:33:38,731 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1868) no Hoare annotation was computed. [2018-11-23 03:33:38,731 INFO L448 ceAbstractionStarter]: For program point L1871-2(lines 1871 1878) no Hoare annotation was computed. [2018-11-23 03:33:38,731 INFO L448 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1880) no Hoare annotation was computed. [2018-11-23 03:33:38,731 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 1857 1886) no Hoare annotation was computed. [2018-11-23 03:33:38,731 INFO L448 ceAbstractionStarter]: For program point L1871-3(line 1871) no Hoare annotation was computed. [2018-11-23 03:33:38,732 INFO L444 ceAbstractionStarter]: At program point L1871-4(lines 1871 1878) the Hoare annotation is: (let ((.cse0 (<= 0 (+ main_~i~3 2147483648))) (.cse1 (<= main_~argc~0 10000)) (.cse2 (<= 1 main_~argc~0))) (or (and .cse0 .cse1 .cse2 (<= 0 (+ main_~j~0 2147483648)) (<= 0 (+ main_~i~4 2147483648))) (and .cse0 .cse1 .cse2 (= main_~i~4 0)))) [2018-11-23 03:33:38,732 INFO L444 ceAbstractionStarter]: At program point L1871-5(lines 1871 1878) the Hoare annotation is: (and (<= 0 (+ main_~i~3 2147483648)) (<= main_~argc~0 10000) (<= 1 main_~argc~0) (<= 0 (+ main_~i~4 2147483648))) [2018-11-23 03:33:38,732 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 1857 1886) the Hoare annotation is: true [2018-11-23 03:33:38,732 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2018-11-23 03:33:38,732 INFO L448 ceAbstractionStarter]: For program point L1880-2(lines 1880 1881) no Hoare annotation was computed. [2018-11-23 03:33:38,732 INFO L448 ceAbstractionStarter]: For program point L1880-3(line 1880) no Hoare annotation was computed. [2018-11-23 03:33:38,732 INFO L444 ceAbstractionStarter]: At program point L1880-4(lines 1880 1881) the Hoare annotation is: (and (<= 0 (+ main_~i~3 2147483648)) (<= main_~argc~0 10000) (<= 1 main_~argc~0) (<= 0 (+ main_~i~5 2147483648)) (<= 0 (+ main_~i~4 2147483648))) [2018-11-23 03:33:38,732 INFO L448 ceAbstractionStarter]: For program point L1880-5(lines 1880 1881) no Hoare annotation was computed. [2018-11-23 03:33:38,732 INFO L448 ceAbstractionStarter]: For program point L1876-2(lines 1876 1877) no Hoare annotation was computed. [2018-11-23 03:33:38,732 INFO L448 ceAbstractionStarter]: For program point L1876-3(line 1876) no Hoare annotation was computed. [2018-11-23 03:33:38,733 INFO L444 ceAbstractionStarter]: At program point L1876-4(lines 1876 1877) the Hoare annotation is: (and (<= 0 (+ main_~i~3 2147483648)) (<= main_~argc~0 10000) (<= 1 main_~argc~0) (<= 0 (+ main_~j~0 2147483648)) (<= main_~i~4 268435453) (<= 0 (+ main_~i~4 2147483648))) [2018-11-23 03:33:38,734 INFO L448 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1871) no Hoare annotation was computed. [2018-11-23 03:33:38,734 INFO L448 ceAbstractionStarter]: For program point L1868(line 1868) no Hoare annotation was computed. [2018-11-23 03:33:38,734 INFO L448 ceAbstractionStarter]: For program point L1868-1(line 1868) no Hoare annotation was computed. [2018-11-23 03:33:38,734 INFO L448 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1880) no Hoare annotation was computed. [2018-11-23 03:33:38,734 INFO L448 ceAbstractionStarter]: For program point L1868-2(line 1868) no Hoare annotation was computed. [2018-11-23 03:33:38,734 INFO L448 ceAbstractionStarter]: For program point L1868-3(line 1868) no Hoare annotation was computed. [2018-11-23 03:33:38,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:33:38 BoogieIcfgContainer [2018-11-23 03:33:38,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:33:38,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:33:38,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:33:38,748 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:33:38,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:36" (3/4) ... [2018-11-23 03:33:38,751 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:33:38,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:33:38,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fflush_all [2018-11-23 03:33:38,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __main [2018-11-23 03:33:38,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bb_show_usage [2018-11-23 03:33:38,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:33:38,764 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2018-11-23 03:33:38,764 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 03:33:38,765 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 03:33:38,765 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-23 03:33:38,765 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 03:33:38,765 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 03:33:38,766 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 03:33:38,766 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:33:38,766 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:33:38,807 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_713e31ab-7d55-41a1-a951-2f1b86eb648b/bin-2019/uautomizer/witness.graphml [2018-11-23 03:33:38,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:33:38,808 INFO L168 Benchmark]: Toolchain (without parser) took 3707.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.6 MB). Free memory was 955.5 MB in the beginning and 883.5 MB in the end (delta: 72.0 MB). Peak memory consumption was 322.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:38,809 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:33:38,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 955.5 MB in the beginning and 997.1 MB in the end (delta: -41.6 MB). Peak memory consumption was 136.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:38,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.77 ms. Allocated memory is still 1.2 GB. Free memory was 997.1 MB in the beginning and 990.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:38,810 INFO L168 Benchmark]: Boogie Preprocessor took 54.00 ms. Allocated memory is still 1.2 GB. Free memory was 990.3 MB in the beginning and 983.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:38,810 INFO L168 Benchmark]: RCFGBuilder took 533.79 ms. Allocated memory is still 1.2 GB. Free memory was 983.5 MB in the beginning and 925.5 MB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:38,810 INFO L168 Benchmark]: TraceAbstraction took 2067.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 925.5 MB in the beginning and 891.8 MB in the end (delta: 33.7 MB). Peak memory consumption was 122.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:38,810 INFO L168 Benchmark]: Witness Printer took 60.03 ms. Allocated memory is still 1.3 GB. Free memory was 891.8 MB in the beginning and 883.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:33:38,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 945.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 955.5 MB in the beginning and 997.1 MB in the end (delta: -41.6 MB). Peak memory consumption was 136.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.77 ms. Allocated memory is still 1.2 GB. Free memory was 997.1 MB in the beginning and 990.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.00 ms. Allocated memory is still 1.2 GB. Free memory was 990.3 MB in the beginning and 983.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 533.79 ms. Allocated memory is still 1.2 GB. Free memory was 983.5 MB in the beginning and 925.5 MB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2067.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 925.5 MB in the beginning and 891.8 MB in the end (delta: 33.7 MB). Peak memory consumption was 122.3 MB. Max. memory is 11.5 GB. * Witness Printer took 60.03 ms. Allocated memory is still 1.3 GB. Free memory was 891.8 MB in the beginning and 883.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1880]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1876]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1880]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1876]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1868]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1868]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1871]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1868]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1868]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1871]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1861]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1861]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 1876]: Loop Invariant Derived loop invariant: ((((0 <= i + 2147483648 && argc <= 10000) && 1 <= argc) && 0 <= j + 2147483648) && i <= 268435453) && 0 <= i + 2147483648 - InvariantResult [Line: 1880]: Loop Invariant Derived loop invariant: (((0 <= i + 2147483648 && argc <= 10000) && 1 <= argc) && 0 <= i + 2147483648) && 0 <= i + 2147483648 - InvariantResult [Line: 1861]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 - InvariantResult [Line: 1871]: Loop Invariant Derived loop invariant: ((((0 <= i + 2147483648 && argc <= 10000) && 1 <= argc) && 0 <= j + 2147483648) && 0 <= i + 2147483648) || (((0 <= i + 2147483648 && argc <= 10000) && 1 <= argc) && i == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 63 locations, 16 error locations. SAFE Result, 2.0s OverallTime, 15 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 693 SDtfs, 194 SDslu, 610 SDs, 0 SdLazy, 152 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 37 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 24 PreInvPairs, 31 NumberOfFragments, 117 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1112 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 69 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 12270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...