./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sumt8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sumt8.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5c9f46ceef17a40f4c8c296250db6bb3816cee9 .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:25:41,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:25:41,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:25:41,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:25:41,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:25:41,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:25:41,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:25:41,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:25:41,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:25:41,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:25:41,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:25:41,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:25:41,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:25:41,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:25:41,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:25:41,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:25:41,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:25:41,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:25:41,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:25:41,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:25:41,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:25:41,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:25:41,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:25:41,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:25:41,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:25:41,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:25:41,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:25:41,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:25:41,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:25:41,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:25:41,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:25:41,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:25:41,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:25:41,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:25:41,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:25:41,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:25:41,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:25:41,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:25:41,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:25:41,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:25:41,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:25:41,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 08:25:41,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:25:41,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:25:41,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:25:41,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:25:41,250 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:25:41,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:25:41,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:25:41,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:25:41,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:25:41,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:25:41,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:25:41,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:25:41,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:25:41,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:25:41,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:25:41,253 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:25:41,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:25:41,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:25:41,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:25:41,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:25:41,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 08:25:41,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 08:25:41,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:25:41,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:25:41,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:25:41,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:25:41,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:25:41,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:25:41,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5c9f46ceef17a40f4c8c296250db6bb3816cee9 [2019-11-20 08:25:41,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:25:41,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:25:41,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:25:41,436 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:25:41,436 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:25:41,437 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/../../sv-benchmarks/c/loops-crafted-1/sumt8.c [2019-11-20 08:25:41,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/data/5d7613b7d/ee47a4abc66d411582183d341685df84/FLAGcf9c698f2 [2019-11-20 08:25:41,879 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:25:41,879 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/sv-benchmarks/c/loops-crafted-1/sumt8.c [2019-11-20 08:25:41,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/data/5d7613b7d/ee47a4abc66d411582183d341685df84/FLAGcf9c698f2 [2019-11-20 08:25:42,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/data/5d7613b7d/ee47a4abc66d411582183d341685df84 [2019-11-20 08:25:42,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:25:42,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:25:42,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:25:42,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:25:42,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:25:42,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e57eaac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42, skipping insertion in model container [2019-11-20 08:25:42,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,313 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:25:42,332 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:25:42,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:25:42,623 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:25:42,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:25:42,662 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:25:42,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42 WrapperNode [2019-11-20 08:25:42,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:25:42,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:25:42,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:25:42,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:25:42,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:25:42,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:25:42,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:25:42,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:25:42,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... [2019-11-20 08:25:42,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:25:42,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:25:42,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:25:42,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:25:42,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/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 [2019-11-20 08:25:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:25:42,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:25:43,005 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:25:43,005 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 08:25:43,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:25:43 BoogieIcfgContainer [2019-11-20 08:25:43,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:25:43,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 08:25:43,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 08:25:43,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 08:25:43,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:25:42" (1/3) ... [2019-11-20 08:25:43,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5945c79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:25:43, skipping insertion in model container [2019-11-20 08:25:43,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:42" (2/3) ... [2019-11-20 08:25:43,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5945c79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:25:43, skipping insertion in model container [2019-11-20 08:25:43,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:25:43" (3/3) ... [2019-11-20 08:25:43,014 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt8.c [2019-11-20 08:25:43,023 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 08:25:43,037 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 08:25:43,047 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 08:25:43,067 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 08:25:43,068 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 08:25:43,068 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 08:25:43,068 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:25:43,068 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:25:43,068 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 08:25:43,069 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:25:43,069 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 08:25:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-20 08:25:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 08:25:43,087 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:43,087 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:43,088 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:43,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:43,093 INFO L82 PathProgramCache]: Analyzing trace with hash 183352048, now seen corresponding path program 1 times [2019-11-20 08:25:43,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:43,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982051350] [2019-11-20 08:25:43,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:43,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982051350] [2019-11-20 08:25:43,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:25:43,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 08:25:43,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692047337] [2019-11-20 08:25:43,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 08:25:43,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:43,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 08:25:43,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:25:43,477 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2019-11-20 08:25:43,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:43,629 INFO L93 Difference]: Finished difference Result 43 states and 65 transitions. [2019-11-20 08:25:43,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 08:25:43,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-20 08:25:43,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:43,642 INFO L225 Difference]: With dead ends: 43 [2019-11-20 08:25:43,642 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 08:25:43,646 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:25:43,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 08:25:43,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 08:25:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 08:25:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-11-20 08:25:43,690 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 26 transitions. Word has length 8 [2019-11-20 08:25:43,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:43,691 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-20 08:25:43,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 08:25:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2019-11-20 08:25:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 08:25:43,692 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:43,693 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:43,693 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:43,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:43,694 INFO L82 PathProgramCache]: Analyzing trace with hash 486052837, now seen corresponding path program 1 times [2019-11-20 08:25:43,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:43,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824239487] [2019-11-20 08:25:43,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:43,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824239487] [2019-11-20 08:25:43,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609782267] [2019-11-20 08:25:43,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:25:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:43,892 WARN L253 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-20 08:25:43,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:25:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:44,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 08:25:44,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 9 [2019-11-20 08:25:44,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135481247] [2019-11-20 08:25:44,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 08:25:44,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:44,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 08:25:44,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-20 08:25:44,078 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. Second operand 9 states. [2019-11-20 08:25:44,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:44,267 INFO L93 Difference]: Finished difference Result 40 states and 61 transitions. [2019-11-20 08:25:44,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 08:25:44,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2019-11-20 08:25:44,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:44,268 INFO L225 Difference]: With dead ends: 40 [2019-11-20 08:25:44,268 INFO L226 Difference]: Without dead ends: 28 [2019-11-20 08:25:44,269 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-20 08:25:44,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-20 08:25:44,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-11-20 08:25:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-20 08:25:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2019-11-20 08:25:44,274 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 12 [2019-11-20 08:25:44,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:44,275 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-11-20 08:25:44,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 08:25:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2019-11-20 08:25:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 08:25:44,276 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 08:25:44,276 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:25:44,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:25:44,483 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 08:25:44,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:25:44,483 INFO L82 PathProgramCache]: Analyzing trace with hash -434311308, now seen corresponding path program 1 times [2019-11-20 08:25:44,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:25:44,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913540577] [2019-11-20 08:25:44,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:25:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 08:25:44,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913540577] [2019-11-20 08:25:44,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293421040] [2019-11-20 08:25:44,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:25:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:25:44,711 WARN L253 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-20 08:25:44,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:25:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:25:44,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 08:25:44,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2019-11-20 08:25:44,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674975048] [2019-11-20 08:25:44,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 08:25:44,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:25:44,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 08:25:44,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-20 08:25:44,897 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand 10 states. [2019-11-20 08:25:45,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:25:45,165 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2019-11-20 08:25:45,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 08:25:45,166 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-11-20 08:25:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 08:25:45,167 INFO L225 Difference]: With dead ends: 28 [2019-11-20 08:25:45,167 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 08:25:45,168 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2019-11-20 08:25:45,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 08:25:45,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 08:25:45,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 08:25:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 08:25:45,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-20 08:25:45,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 08:25:45,169 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:25:45,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 08:25:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:25:45,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 08:25:45,370 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 08:25:45,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 08:25:45,517 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-11-20 08:25:45,519 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-20 08:25:45,520 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 08:25:45,520 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 08:25:45,520 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 08:25:45,520 INFO L444 ceAbstractionStarter]: For program point L28(lines 28 33) no Hoare annotation was computed. [2019-11-20 08:25:45,520 INFO L444 ceAbstractionStarter]: For program point L24(lines 24 33) no Hoare annotation was computed. [2019-11-20 08:25:45,520 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-20 08:25:45,521 INFO L444 ceAbstractionStarter]: For program point L20(lines 20 33) no Hoare annotation was computed. [2019-11-20 08:25:45,521 INFO L444 ceAbstractionStarter]: For program point L16-2(lines 16 36) no Hoare annotation was computed. [2019-11-20 08:25:45,521 INFO L440 ceAbstractionStarter]: At program point L37(lines 11 38) the Hoare annotation is: (or (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (let ((.cse0 (+ ULTIMATE.start_main_~v1~0 ULTIMATE.start_main_~v2~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~v3~0 ULTIMATE.start_main_~v4~0 ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~v5~0))) (and (<= 0 .cse0) (<= .cse0 ULTIMATE.start_main_~l~0) (<= ULTIMATE.start_main_~l~0 0)))) [2019-11-20 08:25:45,521 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-20 08:25:45,522 INFO L440 ceAbstractionStarter]: At program point L4-2(lines 3 36) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_main_~v1~0 ULTIMATE.start_main_~v2~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~v3~0 ULTIMATE.start_main_~v4~0 ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~v5~0))) (let ((.cse1 (<= .cse0 ULTIMATE.start_main_~l~0))) (or (and (<= ULTIMATE.start_main_~l~0 .cse0) .cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (and (= ULTIMATE.start_main_~v4~0 0) (<= 0 .cse0) (= ULTIMATE.start_main_~v1~0 0) .cse1 (= ULTIMATE.start_main_~v2~0 0) (<= ULTIMATE.start_main_~l~0 0) (= ULTIMATE.start_main_~k~0 0) (= ULTIMATE.start_main_~i~0 0) (= ULTIMATE.start_main_~v3~0 0) (= ULTIMATE.start_main_~j~0 0))))) [2019-11-20 08:25:45,522 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 08:25:45,522 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-20 08:25:45,522 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 33) no Hoare annotation was computed. [2019-11-20 08:25:45,522 INFO L444 ceAbstractionStarter]: For program point L30-2(lines 18 33) no Hoare annotation was computed. [2019-11-20 08:25:45,522 INFO L444 ceAbstractionStarter]: For program point L26(lines 26 33) no Hoare annotation was computed. [2019-11-20 08:25:45,523 INFO L444 ceAbstractionStarter]: For program point L22(lines 22 33) no Hoare annotation was computed. [2019-11-20 08:25:45,523 INFO L444 ceAbstractionStarter]: For program point L18(lines 18 33) no Hoare annotation was computed. [2019-11-20 08:25:45,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:25:45 BoogieIcfgContainer [2019-11-20 08:25:45,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 08:25:45,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:25:45,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:25:45,559 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:25:45,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:25:43" (3/4) ... [2019-11-20 08:25:45,563 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 08:25:45,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 08:25:45,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 08:25:45,643 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8dc0e6da-37ed-4d15-84d4-b3bc60207728/bin/uautomizer/witness.graphml [2019-11-20 08:25:45,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:25:45,645 INFO L168 Benchmark]: Toolchain (without parser) took 3352.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 951.4 MB in the beginning and 878.9 MB in the end (delta: 72.5 MB). Peak memory consumption was 166.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:45,646 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:25:45,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:45,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:25:45,647 INFO L168 Benchmark]: Boogie Preprocessor took 21.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:45,648 INFO L168 Benchmark]: RCFGBuilder took 289.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:45,649 INFO L168 Benchmark]: TraceAbstraction took 2551.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 878.9 MB in the end (delta: 186.3 MB). Peak memory consumption was 186.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:25:45,649 INFO L168 Benchmark]: Witness Printer took 84.81 ms. Allocated memory is still 1.1 GB. Free memory is still 878.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:25:45,652 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 289.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2551.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 878.9 MB in the end (delta: 186.3 MB). Peak memory consumption was 186.3 MB. Max. memory is 11.5 GB. * Witness Printer took 84.81 ms. Allocated memory is still 1.1 GB. Free memory is still 878.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: !(0 == cond) || ((0 <= v1 + v2 + i + v3 + v4 + k + j + v5 && v1 + v2 + i + v3 + v4 + k + j + v5 <= l) && l <= 0) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ((l <= v1 + v2 + i + v3 + v4 + k + j + v5 && v1 + v2 + i + v3 + v4 + k + j + v5 <= l) && 1 == cond) || (((((((((v4 == 0 && 0 <= v1 + v2 + i + v3 + v4 + k + j + v5) && v1 == 0) && v1 + v2 + i + v3 + v4 + k + j + v5 <= l) && v2 == 0) && l <= 0) && k == 0) && i == 0) && v3 == 0) && j == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 43 SDtfs, 61 SDslu, 67 SDs, 0 SdLazy, 230 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 105 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 16413 SizeOfPredicates, 22 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 5/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...