./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/sumt9.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/loops-crafted-1/sumt9.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 764253d17e173cc8ef429b98791fc330017ac102 ................................................................................................................................................................................................................................................................................................................................................................................... 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 22:30:26,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:30:26,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:30:27,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:30:27,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:30:27,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:30:27,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:30:27,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:30:27,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:30:27,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:30:27,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:30:27,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:30:27,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:30:27,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:30:27,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:30:27,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:30:27,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:30:27,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:30:27,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:30:27,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:30:27,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:30:27,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:30:27,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:30:27,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:30:27,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:30:27,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:30:27,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:30:27,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:30:27,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:30:27,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:30:27,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:30:27,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:30:27,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:30:27,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:30:27,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:30:27,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:30:27,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:30:27,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:30:27,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:30:27,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:30:27,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:30:27,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:30:27,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:30:27,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:30:27,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:30:27,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:30:27,093 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:30:27,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:30:27,094 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:30:27,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:30:27,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:30:27,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:30:27,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:30:27,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:30:27,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:30:27,096 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:30:27,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:30:27,097 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:30:27,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:30:27,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:30:27,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:30:27,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:30:27,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:30:27,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:30:27,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:30:27,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:30:27,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:30:27,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:30:27,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:30:27,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:30:27,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:30:27,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 764253d17e173cc8ef429b98791fc330017ac102 [2020-10-25 22:30:27,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:30:27,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:30:27,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:30:27,523 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:30:27,524 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:30:27,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/sumt9.c [2020-10-25 22:30:27,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081904b1e/8d27b0698e114aa899a0affe35e84f07/FLAG7674fc95e [2020-10-25 22:30:28,254 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:30:28,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/sumt9.c [2020-10-25 22:30:28,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081904b1e/8d27b0698e114aa899a0affe35e84f07/FLAG7674fc95e [2020-10-25 22:30:28,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081904b1e/8d27b0698e114aa899a0affe35e84f07 [2020-10-25 22:30:28,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:30:28,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:30:28,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:30:28,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:30:28,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:30:28,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:28,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62638cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28, skipping insertion in model container [2020-10-25 22:30:28,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:28,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:30:28,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:30:28,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:30:28,899 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:30:28,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:30:28,940 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:30:28,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28 WrapperNode [2020-10-25 22:30:28,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:30:28,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:30:28,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:30:28,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:30:28,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:28,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:28,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:30:28,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:30:28,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:30:28,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:30:28,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:28,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:28,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:28,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:29,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:29,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:29,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (1/1) ... [2020-10-25 22:30:29,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:30:29,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:30:29,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:30:29,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:30:29,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (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 22:30:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:30:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:30:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:30:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:30:29,413 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:30:29,414 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 22:30:29,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:30:29 BoogieIcfgContainer [2020-10-25 22:30:29,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:30:29,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:30:29,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:30:29,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:30:29,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:30:28" (1/3) ... [2020-10-25 22:30:29,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775e251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:30:29, skipping insertion in model container [2020-10-25 22:30:29,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:30:28" (2/3) ... [2020-10-25 22:30:29,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775e251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:30:29, skipping insertion in model container [2020-10-25 22:30:29,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:30:29" (3/3) ... [2020-10-25 22:30:29,426 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt9.c [2020-10-25 22:30:29,439 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:30:29,444 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:30:29,460 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:30:29,490 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:30:29,490 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:30:29,490 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:30:29,491 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:30:29,491 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:30:29,491 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:30:29,491 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:30:29,492 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:30:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-25 22:30:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-25 22:30:29,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:30:29,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:30:29,514 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:30:29,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:30:29,521 INFO L82 PathProgramCache]: Analyzing trace with hash 183357013, now seen corresponding path program 1 times [2020-10-25 22:30:29,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:30:29,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172580838] [2020-10-25 22:30:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:30:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:30:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:30:30,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172580838] [2020-10-25 22:30:30,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:30:30,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 22:30:30,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382236440] [2020-10-25 22:30:30,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 22:30:30,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:30:30,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 22:30:30,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:30:30,092 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 5 states. [2020-10-25 22:30:30,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:30:30,219 INFO L93 Difference]: Finished difference Result 46 states and 70 transitions. [2020-10-25 22:30:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:30:30,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-25 22:30:30,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:30:30,232 INFO L225 Difference]: With dead ends: 46 [2020-10-25 22:30:30,232 INFO L226 Difference]: Without dead ends: 20 [2020-10-25 22:30:30,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:30:30,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-10-25 22:30:30,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-10-25 22:30:30,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-25 22:30:30,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions. [2020-10-25 22:30:30,275 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 28 transitions. Word has length 8 [2020-10-25 22:30:30,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:30:30,276 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 28 transitions. [2020-10-25 22:30:30,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 22:30:30,276 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2020-10-25 22:30:30,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 22:30:30,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:30:30,277 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-25 22:30:30,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:30:30,278 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:30:30,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:30:30,279 INFO L82 PathProgramCache]: Analyzing trace with hash 829012968, now seen corresponding path program 1 times [2020-10-25 22:30:30,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:30:30,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679519218] [2020-10-25 22:30:30,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:30:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:30:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:30:30,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679519218] [2020-10-25 22:30:30,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646754054] [2020-10-25 22:30:30,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 22:30:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:30:30,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 31 conjunts are in the unsatisfiable core [2020-10-25 22:30:30,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:30:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:30:30,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 22:30:30,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 9 [2020-10-25 22:30:30,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252656253] [2020-10-25 22:30:30,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-25 22:30:30,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:30:30,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-25 22:30:30,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-25 22:30:30,714 INFO L87 Difference]: Start difference. First operand 20 states and 28 transitions. Second operand 9 states. [2020-10-25 22:30:30,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:30:30,938 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2020-10-25 22:30:30,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 22:30:30,939 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-10-25 22:30:30,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:30:30,940 INFO L225 Difference]: With dead ends: 43 [2020-10-25 22:30:30,940 INFO L226 Difference]: Without dead ends: 30 [2020-10-25 22:30:30,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-25 22:30:30,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-25 22:30:30,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-10-25 22:30:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-25 22:30:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2020-10-25 22:30:30,949 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 12 [2020-10-25 22:30:30,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:30:30,950 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2020-10-25 22:30:30,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-25 22:30:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2020-10-25 22:30:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 22:30:30,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:30:30,951 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:30:31,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-25 22:30:31,163 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:30:31,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:30:31,165 INFO L82 PathProgramCache]: Analyzing trace with hash -865304087, now seen corresponding path program 1 times [2020-10-25 22:30:31,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:30:31,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211277364] [2020-10-25 22:30:31,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:30:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:30:31,861 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-25 22:30:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:30:31,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211277364] [2020-10-25 22:30:31,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524079690] [2020-10-25 22:30:31,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 22:30:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:30:32,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 31 conjunts are in the unsatisfiable core [2020-10-25 22:30:32,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:30:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:30:32,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 22:30:32,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 15 [2020-10-25 22:30:32,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765092472] [2020-10-25 22:30:32,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-25 22:30:32,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:30:32,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-25 22:30:32,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-10-25 22:30:32,224 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand 15 states. [2020-10-25 22:30:47,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:30:47,638 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2020-10-25 22:30:47,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-25 22:30:47,643 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 19 [2020-10-25 22:30:47,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:30:47,643 INFO L225 Difference]: With dead ends: 32 [2020-10-25 22:30:47,643 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 22:30:47,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2020-10-25 22:30:47,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 22:30:47,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 22:30:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 22:30:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 22:30:47,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-10-25 22:30:47,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:30:47,645 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 22:30:47,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-25 22:30:47,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 22:30:47,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:30:47,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 22:30:47,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 22:30:48,290 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-10-25 22:30:48,295 INFO L274 CegarLoopResult]: For program point L31(lines 31 40) no Hoare annotation was computed. [2020-10-25 22:30:48,295 INFO L274 CegarLoopResult]: For program point L27(lines 27 40) no Hoare annotation was computed. [2020-10-25 22:30:48,295 INFO L274 CegarLoopResult]: For program point L23(lines 23 40) no Hoare annotation was computed. [2020-10-25 22:30:48,296 INFO L270 CegarLoopResult]: At program point L44(lines 16 45) the Hoare annotation is: (or (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (and (= ULTIMATE.start_main_~v4~0 0) (= ULTIMATE.start_main_~i~0 0) (= ULTIMATE.start_main_~v1~0 0) (= ULTIMATE.start_main_~k~0 0) (= ULTIMATE.start_main_~v5~0 0) (= ULTIMATE.start_main_~j~0 0) (= ULTIMATE.start_main_~v6~0 0) (= ULTIMATE.start_main_~l~0 0) (= ULTIMATE.start_main_~v2~0 0) (= ULTIMATE.start_main_~v3~0 0))) [2020-10-25 22:30:48,296 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 22:30:48,296 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:30:48,296 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:30:48,296 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:30:48,297 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 22:30:48,297 INFO L274 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-10-25 22:30:48,297 INFO L274 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-10-25 22:30:48,297 INFO L274 CegarLoopResult]: For program point L37-2(lines 23 40) no Hoare annotation was computed. [2020-10-25 22:30:48,297 INFO L274 CegarLoopResult]: For program point L33(lines 33 40) no Hoare annotation was computed. [2020-10-25 22:30:48,298 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:30:48,298 INFO L274 CegarLoopResult]: For program point L29(lines 29 40) no Hoare annotation was computed. [2020-10-25 22:30:48,298 INFO L274 CegarLoopResult]: For program point L25(lines 25 40) no Hoare annotation was computed. [2020-10-25 22:30:48,298 INFO L274 CegarLoopResult]: For program point L21-2(lines 21 43) no Hoare annotation was computed. [2020-10-25 22:30:48,298 INFO L274 CegarLoopResult]: For program point L9(lines 9 11) no Hoare annotation was computed. [2020-10-25 22:30:48,299 INFO L270 CegarLoopResult]: At program point L9-2(lines 8 43) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~v5~0 0)) (.cse5 (= ULTIMATE.start_main_~v2~0 0)) (.cse6 (= ULTIMATE.start_main_~v3~0 0)) (.cse8 (= ULTIMATE.start_main_~v4~0 0)) (.cse9 (= ULTIMATE.start_main_~i~0 0)) (.cse10 (= ULTIMATE.start_main_~v1~0 0)) (.cse11 (= ULTIMATE.start_main_~k~0 0)) (.cse2 (* 4294967296 (div ULTIMATE.start_main_~n~0 4294967296))) (.cse12 (= ULTIMATE.start_main_~j~0 0)) (.cse0 (< 0 (+ (div ~SIZE~0 4294967296) 1))) (.cse1 (div ULTIMATE.start_main_~l~0 4294967296)) (.cse4 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse7 (<= ~SIZE~0 20000001))) (or (and .cse0 (<= (+ ULTIMATE.start_main_~n~0 (* 4294967296 .cse1) 4274967296) (+ .cse2 ULTIMATE.start_main_~l~0)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= .cse1 0) .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse3 (= ULTIMATE.start_main_~v6~0 0) (= ULTIMATE.start_main_~l~0 0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_main_~n~0 (+ .cse2 20000001)) .cse12) (and .cse0 (= (+ ULTIMATE.start_main_~v1~0 ULTIMATE.start_main_~v6~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~v2~0 ULTIMATE.start_main_~v3~0 (* .cse1 4294967296) ULTIMATE.start_main_~v4~0 ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~v5~0) (+ ULTIMATE.start_main_~l~0 (* (div (+ ULTIMATE.start_main_~v1~0 ULTIMATE.start_main_~v6~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~v2~0 ULTIMATE.start_main_~v3~0 ULTIMATE.start_main_~v4~0 ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~v5~0) 4294967296) 4294967296))) .cse4 .cse7))) [2020-10-25 22:30:48,299 INFO L274 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-10-25 22:30:48,299 INFO L274 CegarLoopResult]: For program point L35(lines 35 40) no Hoare annotation was computed. [2020-10-25 22:30:48,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:30:48 BoogieIcfgContainer [2020-10-25 22:30:48,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:30:48,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:30:48,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:30:48,322 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:30:48,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:30:29" (3/4) ... [2020-10-25 22:30:48,326 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:30:48,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 22:30:48,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 22:30:48,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:30:48,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:30:48,400 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:30:48,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:30:48,402 INFO L168 Benchmark]: Toolchain (without parser) took 19790.36 ms. Allocated memory was 41.9 MB in the beginning and 92.3 MB in the end (delta: 50.3 MB). Free memory was 19.7 MB in the beginning and 46.9 MB in the end (delta: -27.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:48,403 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory is still 27.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:30:48,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.90 ms. Allocated memory is still 41.9 MB. Free memory was 19.1 MB in the beginning and 20.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:48,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.09 ms. Allocated memory is still 41.9 MB. Free memory was 20.4 MB in the beginning and 18.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:48,406 INFO L168 Benchmark]: Boogie Preprocessor took 35.90 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.7 MB in the beginning and 35.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:48,410 INFO L168 Benchmark]: RCFGBuilder took 395.16 ms. Allocated memory is still 50.3 MB. Free memory was 35.6 MB in the beginning and 33.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:48,411 INFO L168 Benchmark]: TraceAbstraction took 18903.44 ms. Allocated memory was 50.3 MB in the beginning and 92.3 MB in the end (delta: 41.9 MB). Free memory was 32.7 MB in the beginning and 49.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:48,411 INFO L168 Benchmark]: Witness Printer took 78.44 ms. Allocated memory is still 92.3 MB. Free memory was 49.7 MB in the beginning and 46.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:30:48,415 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 41.9 MB. Free memory is still 27.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 320.90 ms. Allocated memory is still 41.9 MB. Free memory was 19.1 MB in the beginning and 20.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.09 ms. Allocated memory is still 41.9 MB. Free memory was 20.4 MB in the beginning and 18.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.90 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.7 MB in the beginning and 35.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 395.16 ms. Allocated memory is still 50.3 MB. Free memory was 35.6 MB in the beginning and 33.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18903.44 ms. Allocated memory was 50.3 MB in the beginning and 92.3 MB in the end (delta: 41.9 MB). Free memory was 32.7 MB in the beginning and 49.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * Witness Printer took 78.44 ms. Allocated memory is still 92.3 MB. Free memory was 49.7 MB in the beginning and 46.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: !(0 == cond) || (((((((((v4 == 0 && i == 0) && v1 == 0) && k == 0) && v5 == 0) && j == 0) && v6 == 0) && l == 0) && v2 == 0) && v3 == 0) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: (((((((((((((0 < SIZE / 4294967296 + 1 && n + 4294967296 * (l / 4294967296) + 4274967296 <= 4294967296 * (n / 4294967296) + l) && v5 == 0) && 1 <= cond) && v2 == 0) && v3 == 0) && SIZE <= 20000001) && v4 == 0) && l / 4294967296 <= 0) && i == 0) && v1 == 0) && k == 0) && j == 0) || ((((((((((((0 < SIZE / 4294967296 + 1 && v5 == 0) && v6 == 0) && l == 0) && v2 == 0) && v3 == 0) && SIZE <= 20000001) && v4 == 0) && i == 0) && v1 == 0) && k == 0) && n <= 4294967296 * (n / 4294967296) + 20000001) && j == 0)) || (((0 < SIZE / 4294967296 + 1 && v1 + v6 + i + v2 + v3 + l / 4294967296 * 4294967296 + v4 + k + j + v5 == l + (v1 + v6 + i + v2 + v3 + v4 + k + j + v5) / 4294967296 * 4294967296) && 1 <= cond) && SIZE <= 20000001) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.3s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 45 SDtfs, 114 SDslu, 70 SDs, 0 SdLazy, 341 SolverSat, 53 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 8 NumberOfFragments, 192 HoareAnnotationTreeSize, 2 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 25859 SizeOfPredicates, 24 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 2/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...