./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/lcm1_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 8b0d3a901c8c542bcb7b21364b0d1bc0da1dc3e4 ............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:38:22,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:38:22,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:38:22,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:38:22,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:38:22,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:38:22,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:38:22,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:38:22,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:38:22,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:38:22,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:38:22,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:38:22,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:38:22,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:38:22,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:38:22,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:38:22,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:38:22,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:38:22,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:38:22,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:38:22,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:38:22,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:38:22,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:38:22,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:38:22,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:38:22,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:38:22,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:38:22,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:38:22,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:38:22,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:38:22,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:38:22,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:38:22,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:38:22,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:38:22,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:38:22,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:38:22,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:38:22,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:38:22,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:38:22,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:38:22,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:38:22,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:38:22,964 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:38:22,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:38:22,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:38:22,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:38:22,968 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:38:22,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:38:22,969 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:38:22,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:38:22,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:38:22,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:38:22,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:38:22,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:38:22,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:38:22,972 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:38:22,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:38:22,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:38:22,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:38:22,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:38:22,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:38:22,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:38:22,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:38:22,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:38:22,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:38:22,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:38:22,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:38:22,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:38:22,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:38:22,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:38:22,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:38:22,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b0d3a901c8c542bcb7b21364b0d1bc0da1dc3e4 [2020-10-25 22:38:23,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:38:23,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:38:23,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:38:23,376 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:38:23,378 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:38:23,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c [2020-10-25 22:38:23,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ce6b83d1/7bede94b49aa41de8b654a1c3ac5cf67/FLAG7f9db082a [2020-10-25 22:38:24,090 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:38:24,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound20.c [2020-10-25 22:38:24,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ce6b83d1/7bede94b49aa41de8b654a1c3ac5cf67/FLAG7f9db082a [2020-10-25 22:38:24,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ce6b83d1/7bede94b49aa41de8b654a1c3ac5cf67 [2020-10-25 22:38:24,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:38:24,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:38:24,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:38:24,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:38:24,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:38:24,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2ea96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24, skipping insertion in model container [2020-10-25 22:38:24,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:38:24,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:38:24,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:38:24,732 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:38:24,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:38:24,772 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:38:24,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24 WrapperNode [2020-10-25 22:38:24,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:38:24,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:38:24,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:38:24,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:38:24,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:38:24,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:38:24,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:38:24,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:38:24,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (1/1) ... [2020-10-25 22:38:24,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:38:24,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:38:24,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:38:24,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:38:24,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (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 [2020-10-25 22:38:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:38:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:38:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-10-25 22:38:29,277 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:38:29,277 INFO L298 CfgBuilder]: Removed 39 assume(true) statements. [2020-10-25 22:38:29,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:38:29 BoogieIcfgContainer [2020-10-25 22:38:29,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:38:29,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:38:29,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:38:29,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:38:29,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:38:24" (1/3) ... [2020-10-25 22:38:29,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a95ac68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:38:29, skipping insertion in model container [2020-10-25 22:38:29,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:38:24" (2/3) ... [2020-10-25 22:38:29,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a95ac68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:38:29, skipping insertion in model container [2020-10-25 22:38:29,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:38:29" (3/3) ... [2020-10-25 22:38:29,288 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm1_valuebound20.c [2020-10-25 22:38:29,299 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:38:29,304 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-25 22:38:29,318 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-25 22:38:29,343 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:38:29,343 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:38:29,343 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:38:29,343 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:38:29,344 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:38:29,344 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:38:29,344 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:38:29,344 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:38:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-25 22:38:29,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:38:29,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 30 states. [2020-10-25 22:38:29,449 INFO L274 CegarLoopResult]: For program point L52-1(lines 39 59) no Hoare annotation was computed. [2020-10-25 22:38:29,449 INFO L277 CegarLoopResult]: At program point L52-2(lines 39 59) the Hoare annotation is: true [2020-10-25 22:38:29,449 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-10-25 22:38:29,450 INFO L277 CegarLoopResult]: At program point L44-2(lines 44 50) the Hoare annotation is: true [2020-10-25 22:38:29,450 INFO L274 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed. [2020-10-25 22:38:29,450 INFO L274 CegarLoopResult]: For program point L11-4(line 11) no Hoare annotation was computed. [2020-10-25 22:38:29,450 INFO L274 CegarLoopResult]: For program point L11-6(line 11) no Hoare annotation was computed. [2020-10-25 22:38:29,450 INFO L274 CegarLoopResult]: For program point L11-8(line 11) no Hoare annotation was computed. [2020-10-25 22:38:29,450 INFO L274 CegarLoopResult]: For program point L11-10(line 11) no Hoare annotation was computed. [2020-10-25 22:38:29,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:38:29,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:38:29,451 INFO L274 CegarLoopResult]: For program point L14(lines 14 17) no Hoare annotation was computed. [2020-10-25 22:38:29,451 INFO L277 CegarLoopResult]: At program point L14-1(lines 41 42) the Hoare annotation is: true [2020-10-25 22:38:29,451 INFO L274 CegarLoopResult]: For program point L14-2(lines 14 17) no Hoare annotation was computed. [2020-10-25 22:38:29,451 INFO L277 CegarLoopResult]: At program point L14-3(lines 46 47) the Hoare annotation is: true [2020-10-25 22:38:29,451 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-10-25 22:38:29,452 INFO L277 CegarLoopResult]: At program point L14-5(lines 54 55) the Hoare annotation is: true [2020-10-25 22:38:29,452 INFO L274 CegarLoopResult]: For program point L14-6(lines 14 17) no Hoare annotation was computed. [2020-10-25 22:38:29,452 INFO L277 CegarLoopResult]: At program point L14-7(lines 13 19) the Hoare annotation is: true [2020-10-25 22:38:29,452 INFO L274 CegarLoopResult]: For program point L14-8(lines 14 17) no Hoare annotation was computed. [2020-10-25 22:38:29,452 INFO L274 CegarLoopResult]: For program point L39-2(lines 39 59) no Hoare annotation was computed. [2020-10-25 22:38:29,452 INFO L277 CegarLoopResult]: At program point L14-9(lines 13 19) the Hoare annotation is: true [2020-10-25 22:38:29,453 INFO L277 CegarLoopResult]: At program point L66(lines 21 67) the Hoare annotation is: true [2020-10-25 22:38:29,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:38:29,453 INFO L274 CegarLoopResult]: For program point L10(lines 10 12) no Hoare annotation was computed. [2020-10-25 22:38:29,453 INFO L274 CegarLoopResult]: For program point L10-1(lines 10 12) no Hoare annotation was computed. [2020-10-25 22:38:29,453 INFO L274 CegarLoopResult]: For program point L10-2(lines 10 12) no Hoare annotation was computed. [2020-10-25 22:38:29,453 INFO L274 CegarLoopResult]: For program point L10-3(lines 10 12) no Hoare annotation was computed. [2020-10-25 22:38:29,454 INFO L274 CegarLoopResult]: For program point L10-4(lines 10 12) no Hoare annotation was computed. [2020-10-25 22:38:29,454 INFO L274 CegarLoopResult]: For program point L10-5(lines 10 12) no Hoare annotation was computed. [2020-10-25 22:38:29,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:38:29 BoogieIcfgContainer [2020-10-25 22:38:29,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:38:29,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:38:29,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:38:29,472 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:38:29,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:38:29" (3/4) ... [2020-10-25 22:38:29,481 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:38:29,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-25 22:38:29,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 22:38:29,578 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:38:29,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:38:29,583 INFO L168 Benchmark]: Toolchain (without parser) took 5130.11 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 14.9 MB in the beginning and 24.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 993.0 kB. Max. memory is 16.1 GB. [2020-10-25 22:38:29,586 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 37.7 MB. Free memory was 22.3 MB in the beginning and 22.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:38:29,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.56 ms. Allocated memory is still 37.7 MB. Free memory was 14.3 MB in the beginning and 14.2 MB in the end (delta: 59.5 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:29,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 37.7 MB. Free memory was 14.2 MB in the beginning and 12.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:38:29,589 INFO L168 Benchmark]: Boogie Preprocessor took 34.29 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 12.6 MB in the beginning and 29.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:29,591 INFO L168 Benchmark]: RCFGBuilder took 4430.21 ms. Allocated memory is still 46.1 MB. Free memory was 29.6 MB in the beginning and 25.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:29,593 INFO L168 Benchmark]: TraceAbstraction took 189.31 ms. Allocated memory is still 46.1 MB. Free memory was 25.0 MB in the beginning and 27.9 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:29,596 INFO L168 Benchmark]: Witness Printer took 106.72 ms. Allocated memory is still 46.1 MB. Free memory was 27.9 MB in the beginning and 24.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:38:29,601 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 37.7 MB. Free memory was 22.3 MB in the beginning and 22.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 313.56 ms. Allocated memory is still 37.7 MB. Free memory was 14.3 MB in the beginning and 14.2 MB in the end (delta: 59.5 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 37.7 MB. Free memory was 14.2 MB in the beginning and 12.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.29 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 12.6 MB in the beginning and 29.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4430.21 ms. Allocated memory is still 46.1 MB. Free memory was 29.6 MB in the beginning and 25.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 189.31 ms. Allocated memory is still 46.1 MB. Free memory was 25.0 MB in the beginning and 27.9 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Witness Printer took 106.72 ms. Allocated memory is still 46.1 MB. Free memory was 27.9 MB in the beginning and 24.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 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=30occurred 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, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 8 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 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...