./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i --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/divbin_valuebound50.i -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 3e152079f73333ee19736e21981b025b45d760ed ............................................................................................................................................................................................................................................ 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 22:36:55,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:36:55,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:36:55,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:36:55,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:36:55,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:36:55,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:36:55,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:36:55,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:36:55,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:36:55,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:36:55,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:36:55,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:36:55,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:36:55,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:36:55,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:36:55,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:36:55,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:36:55,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:36:55,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:36:55,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:36:55,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:36:55,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:36:55,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:36:55,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:36:55,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:36:55,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:36:55,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:36:55,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:36:55,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:36:55,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:36:55,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:36:55,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:36:55,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:36:55,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:36:55,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:36:55,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:36:55,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:36:55,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:36:55,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:36:55,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:36:55,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:36:55,662 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:36:55,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:36:55,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:36:55,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:36:55,666 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:36:55,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:36:55,667 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:36:55,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:36:55,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:36:55,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:36:55,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:36:55,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:36:55,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:36:55,670 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:36:55,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:36:55,670 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:36:55,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:36:55,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:36:55,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:36:55,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:36:55,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:36:55,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:36:55,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:36:55,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:36:55,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:36:55,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:36:55,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:36:55,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:36:55,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:36:55,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e152079f73333ee19736e21981b025b45d760ed [2020-10-25 22:36:56,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:36:56,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:36:56,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:36:56,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:36:56,136 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:36:56,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i [2020-10-25 22:36:56,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e329550/729717fd3c6d4c1f91426a7ee40c653a/FLAGd22ee421d [2020-10-25 22:36:56,729 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:36:56,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i [2020-10-25 22:36:56,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e329550/729717fd3c6d4c1f91426a7ee40c653a/FLAGd22ee421d [2020-10-25 22:36:57,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e329550/729717fd3c6d4c1f91426a7ee40c653a [2020-10-25 22:36:57,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:36:57,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:36:57,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:36:57,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:36:57,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:36:57,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216e549f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57, skipping insertion in model container [2020-10-25 22:36:57,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:36:57,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:36:57,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:36:57,430 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:36:57,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:36:57,469 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:36:57,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57 WrapperNode [2020-10-25 22:36:57,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:36:57,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:36:57,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:36:57,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:36:57,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:36:57,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:36:57,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:36:57,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:36:57,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (1/1) ... [2020-10-25 22:36:57,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:36:57,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:36:57,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:36:57,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:36:57,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (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 22:36:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:36:57,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:36:57,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-10-25 22:36:58,121 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:36:58,122 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-25 22:36:58,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:36:58 BoogieIcfgContainer [2020-10-25 22:36:58,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:36:58,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:36:58,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:36:58,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:36:58,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:36:57" (1/3) ... [2020-10-25 22:36:58,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b151152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:36:58, skipping insertion in model container [2020-10-25 22:36:58,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:57" (2/3) ... [2020-10-25 22:36:58,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b151152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:36:58, skipping insertion in model container [2020-10-25 22:36:58,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:36:58" (3/3) ... [2020-10-25 22:36:58,136 INFO L111 eAbstractionObserver]: Analyzing ICFG divbin_valuebound50.i [2020-10-25 22:36:58,150 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:36:58,155 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-25 22:36:58,170 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-25 22:36:58,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:36:58,216 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:36:58,216 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:36:58,216 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:36:58,217 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:36:58,217 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:36:58,217 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:36:58,217 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:36:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-25 22:36:58,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:36:58,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 21 states. [2020-10-25 22:36:58,313 INFO L274 CegarLoopResult]: For program point L6-6(line 6) no Hoare annotation was computed. [2020-10-25 22:36:58,313 INFO L274 CegarLoopResult]: For program point L31-1(lines 31 40) no Hoare annotation was computed. [2020-10-25 22:36:58,314 INFO L277 CegarLoopResult]: At program point L27-2(lines 27 30) the Hoare annotation is: true [2020-10-25 22:36:58,314 INFO L274 CegarLoopResult]: For program point L36(lines 36 39) no Hoare annotation was computed. [2020-10-25 22:36:58,314 INFO L274 CegarLoopResult]: For program point L36-2(lines 15 43) no Hoare annotation was computed. [2020-10-25 22:36:58,314 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:36:58,314 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:36:58,314 INFO L274 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-25 22:36:58,315 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:36:58,315 INFO L277 CegarLoopResult]: At program point L42(lines 15 43) the Hoare annotation is: true [2020-10-25 22:36:58,315 INFO L274 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:36:58,315 INFO L277 CegarLoopResult]: At program point L9-1(line 33) the Hoare annotation is: true [2020-10-25 22:36:58,315 INFO L274 CegarLoopResult]: For program point L9-2(lines 9 12) no Hoare annotation was computed. [2020-10-25 22:36:58,316 INFO L277 CegarLoopResult]: At program point L9-3(lines 8 14) the Hoare annotation is: true [2020-10-25 22:36:58,316 INFO L274 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:36:58,316 INFO L274 CegarLoopResult]: For program point L5-1(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:36:58,317 INFO L274 CegarLoopResult]: For program point L5-2(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:36:58,317 INFO L274 CegarLoopResult]: For program point L5-3(lines 5 7) no Hoare annotation was computed. [2020-10-25 22:36:58,317 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-10-25 22:36:58,318 INFO L274 CegarLoopResult]: For program point L6-2(line 6) no Hoare annotation was computed. [2020-10-25 22:36:58,318 INFO L274 CegarLoopResult]: For program point L6-4(line 6) no Hoare annotation was computed. [2020-10-25 22:36:58,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:36:58 BoogieIcfgContainer [2020-10-25 22:36:58,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:36:58,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:36:58,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:36:58,331 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:36:58,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:36:58" (3/4) ... [2020-10-25 22:36:58,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:36:58,347 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-25 22:36:58,347 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 22:36:58,407 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:36:58,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:36:58,410 INFO L168 Benchmark]: Toolchain (without parser) took 1262.98 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 25.1 MB in the beginning and 35.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:58,411 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 27.6 MB in the beginning and 27.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:36:58,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.16 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.4 MB in the beginning and 43.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:58,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 65.0 MB. Free memory was 43.2 MB in the beginning and 41.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:36:58,413 INFO L168 Benchmark]: Boogie Preprocessor took 24.65 ms. Allocated memory is still 65.0 MB. Free memory was 41.8 MB in the beginning and 40.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:58,414 INFO L168 Benchmark]: RCFGBuilder took 588.06 ms. Allocated memory is still 65.0 MB. Free memory was 40.8 MB in the beginning and 46.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:58,415 INFO L168 Benchmark]: TraceAbstraction took 202.45 ms. Allocated memory is still 65.0 MB. Free memory was 46.2 MB in the beginning and 38.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:58,415 INFO L168 Benchmark]: Witness Printer took 77.09 ms. Allocated memory is still 65.0 MB. Free memory was 38.3 MB in the beginning and 35.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:58,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 27.6 MB in the beginning and 27.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 307.16 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.4 MB in the beginning and 43.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 65.0 MB. Free memory was 43.2 MB in the beginning and 41.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.65 ms. Allocated memory is still 65.0 MB. Free memory was 41.8 MB in the beginning and 40.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 588.06 ms. Allocated memory is still 65.0 MB. Free memory was 40.8 MB in the beginning and 46.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 202.45 ms. Allocated memory is still 65.0 MB. Free memory was 46.2 MB in the beginning and 38.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 77.09 ms. Allocated memory is still 65.0 MB. Free memory was 38.3 MB in the beginning and 35.5 MB in the end (delta: 2.8 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: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 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...