./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br_valuebound20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6976e6152323bf6e147e2c04430e50fd3dfa041b ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:16:32,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:16:32,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:16:33,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:16:33,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:16:33,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:16:33,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:16:33,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:16:33,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:16:33,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:16:33,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:16:33,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:16:33,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:16:33,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:16:33,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:16:33,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:16:33,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:16:33,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:16:33,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:16:33,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:16:33,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:16:33,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:16:33,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:16:33,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:16:33,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:16:33,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:16:33,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:16:33,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:16:33,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:16:33,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:16:33,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:16:33,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:16:33,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:16:33,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:16:33,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:16:33,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:16:33,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:16:33,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:16:33,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:16:33,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:16:33,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:16:33,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:16:33,093 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:16:33,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:16:33,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:16:33,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:16:33,095 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:16:33,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:16:33,096 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:16:33,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:16:33,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:16:33,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:16:33,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:16:33,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:16:33,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:16:33,098 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:16:33,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:16:33,098 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:16:33,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:16:33,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:16:33,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:16:33,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:16:33,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:16:33,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:16:33,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:16:33,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:16:33,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:16:33,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:16:33,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:16:33,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:16:33,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:16:33,102 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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(reach_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 -> 6976e6152323bf6e147e2c04430e50fd3dfa041b [2020-10-20 01:16:33,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:16:33,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:16:33,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:16:33,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:16:33,320 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:16:33,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br_valuebound20.c [2020-10-20 01:16:33,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0f085bc/11e65c9682884534960913a8aec855d4/FLAGb992d00cf [2020-10-20 01:16:33,912 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:16:33,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br_valuebound20.c [2020-10-20 01:16:33,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0f085bc/11e65c9682884534960913a8aec855d4/FLAGb992d00cf [2020-10-20 01:16:34,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0f085bc/11e65c9682884534960913a8aec855d4 [2020-10-20 01:16:34,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:16:34,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:16:34,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:34,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:16:34,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:16:34,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22997cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34, skipping insertion in model container [2020-10-20 01:16:34,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:16:34,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:16:34,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:34,518 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:16:34,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:34,582 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:16:34,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34 WrapperNode [2020-10-20 01:16:34,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:34,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:34,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:16:34,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:16:34,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:34,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:16:34,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:16:34,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:16:34,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... [2020-10-20 01:16:34,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:16:34,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:16:34,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:16:34,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:16:34,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 01:16:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:16:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:16:34,982 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:16:34,983 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-10-20 01:16:34,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:34 BoogieIcfgContainer [2020-10-20 01:16:34,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:16:34,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:16:34,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:16:34,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:16:34,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:16:34" (1/3) ... [2020-10-20 01:16:34,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6545b835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:34, skipping insertion in model container [2020-10-20 01:16:34,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:34" (2/3) ... [2020-10-20 01:16:34,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6545b835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:34, skipping insertion in model container [2020-10-20 01:16:34,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:34" (3/3) ... [2020-10-20 01:16:34,993 INFO L111 eAbstractionObserver]: Analyzing ICFG prod4br_valuebound20.c [2020-10-20 01:16:35,004 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:16:35,011 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:16:35,024 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:16:35,044 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:16:35,044 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:16:35,044 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:16:35,045 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:16:35,045 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:16:35,045 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:16:35,045 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:16:35,045 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:16:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-20 01:16:35,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:16:35,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 21 states. [2020-10-20 01:16:35,121 INFO L274 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:16:35,122 INFO L277 CegarLoopResult]: At program point L11-1(lines 36 37) the Hoare annotation is: true [2020-10-20 01:16:35,122 INFO L274 CegarLoopResult]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:16:35,122 INFO L277 CegarLoopResult]: At program point L11-3(lines 10 16) the Hoare annotation is: true [2020-10-20 01:16:35,122 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:16:35,122 INFO L274 CegarLoopResult]: For program point L11-4(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:16:35,122 INFO L274 CegarLoopResult]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:16:35,123 INFO L277 CegarLoopResult]: At program point L11-5(lines 10 16) the Hoare annotation is: true [2020-10-20 01:16:35,123 INFO L274 CegarLoopResult]: For program point L7-2(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:16:35,123 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:16:35,123 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:16:35,123 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-20 01:16:35,123 INFO L274 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-10-20 01:16:35,123 INFO L274 CegarLoopResult]: For program point L8-4(line 8) no Hoare annotation was computed. [2020-10-20 01:16:35,124 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:16:35,124 INFO L274 CegarLoopResult]: For program point L33-2(lines 33 54) no Hoare annotation was computed. [2020-10-20 01:16:35,124 INFO L277 CegarLoopResult]: At program point L58(lines 18 59) the Hoare annotation is: true [2020-10-20 01:16:35,124 INFO L274 CegarLoopResult]: For program point L46(lines 46 53) no Hoare annotation was computed. [2020-10-20 01:16:35,124 INFO L277 CegarLoopResult]: At program point L46-2(lines 33 54) the Hoare annotation is: true [2020-10-20 01:16:35,124 INFO L274 CegarLoopResult]: For program point L43(lines 43 53) no Hoare annotation was computed. [2020-10-20 01:16:35,125 INFO L274 CegarLoopResult]: For program point L39(lines 39 53) no Hoare annotation was computed. [2020-10-20 01:16:35,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:16:35 BoogieIcfgContainer [2020-10-20 01:16:35,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:16:35,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:16:35,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:16:35,133 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:16:35,134 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:34" (3/4) ... [2020-10-20 01:16:35,138 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:16:35,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-20 01:16:35,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:16:35,214 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:16:35,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:16:35,217 INFO L168 Benchmark]: Toolchain (without parser) took 1027.15 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 9.4 MB in the beginning and 28.9 MB in the end (delta: -19.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:35,218 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 35.1 MB. Free memory was 14.1 MB in the beginning and 14.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 01:16:35,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.56 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 8.5 MB in the beginning and 27.7 MB in the end (delta: -19.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:35,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.46 ms. Allocated memory is still 44.6 MB. Free memory was 27.7 MB in the beginning and 25.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:35,220 INFO L168 Benchmark]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 44.6 MB. Free memory was 25.7 MB in the beginning and 24.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:35,221 INFO L168 Benchmark]: RCFGBuilder took 301.06 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 24.3 MB in the beginning and 24.4 MB in the end (delta: -34.4 kB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:35,222 INFO L168 Benchmark]: TraceAbstraction took 146.81 ms. Allocated memory is still 46.7 MB. Free memory was 23.9 MB in the beginning and 14.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:35,223 INFO L168 Benchmark]: Witness Printer took 82.13 ms. Allocated memory is still 46.7 MB. Free memory was 14.0 MB in the beginning and 28.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:35,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 35.1 MB. Free memory was 14.1 MB in the beginning and 14.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 388.56 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 8.5 MB in the beginning and 27.7 MB in the end (delta: -19.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 72.46 ms. Allocated memory is still 44.6 MB. Free memory was 27.7 MB in the beginning and 25.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 25.42 ms. Allocated memory is still 44.6 MB. Free memory was 25.7 MB in the beginning and 24.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 301.06 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 24.3 MB in the beginning and 24.4 MB in the end (delta: -34.4 kB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 146.81 ms. Allocated memory is still 46.7 MB. Free memory was 23.9 MB in the beginning and 14.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * Witness Printer took 82.13 ms. Allocated memory is still 46.7 MB. Free memory was 14.0 MB in the beginning and 28.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...