./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b03e1cb325e2c3a8ef30197a8e07012b3a728d97 .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:57:22,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:57:22,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:57:22,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:57:22,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:57:22,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:57:22,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:57:22,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:57:22,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:57:22,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:57:22,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:57:22,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:57:22,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:57:22,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:57:22,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:57:22,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:57:22,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:57:22,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:57:22,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:57:22,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:57:22,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:57:22,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:57:22,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:57:22,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:57:22,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:57:22,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:57:22,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:57:22,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:57:22,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:57:22,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:57:22,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:57:22,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:57:22,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:57:22,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:57:22,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:57:22,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:57:22,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:57:22,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:57:22,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:57:22,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:57:22,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:57:22,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:57:22,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:57:22,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:57:22,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:57:22,739 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:57:22,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:57:22,739 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:57:22,740 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:57:22,740 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:57:22,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:57:22,740 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:57:22,740 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:57:22,740 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:57:22,740 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:57:22,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:57:22,741 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:57:22,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:57:22,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:57:22,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:57:22,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:57:22,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:57:22,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:57:22,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:57:22,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:57:22,742 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:57:22,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:57:22,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:57:22,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:57:22,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:57:22,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:57:22,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:57:22,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:57:22,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:57:22,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:57:22,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:57:22,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:57:22,743 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:57:22,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:57:22,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:57:22,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:57:22,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:57:22,744 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> b03e1cb325e2c3a8ef30197a8e07012b3a728d97 [2019-12-07 14:57:22,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:57:22,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:57:22,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:57:22,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:57:22,852 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:57:22,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/../../sv-benchmarks/c/loop-invgen/large_const.i [2019-12-07 14:57:22,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/data/b0a04aa45/92f942f8a4b84557a3a9bdb544ad56f2/FLAG7a794ec52 [2019-12-07 14:57:23,195 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:57:23,196 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/sv-benchmarks/c/loop-invgen/large_const.i [2019-12-07 14:57:23,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/data/b0a04aa45/92f942f8a4b84557a3a9bdb544ad56f2/FLAG7a794ec52 [2019-12-07 14:57:23,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/data/b0a04aa45/92f942f8a4b84557a3a9bdb544ad56f2 [2019-12-07 14:57:23,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:57:23,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:57:23,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:57:23,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:57:23,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:57:23,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354778c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23, skipping insertion in model container [2019-12-07 14:57:23,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:57:23,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:57:23,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:57:23,400 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:57:23,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:57:23,423 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:57:23,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23 WrapperNode [2019-12-07 14:57:23,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:57:23,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:57:23,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:57:23,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:57:23,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:57:23,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:57:23,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:57:23,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:57:23,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... [2019-12-07 14:57:23,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:57:23,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:57:23,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:57:23,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:57:23,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:57:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:57:23,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:57:23,663 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:57:23,664 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 14:57:23,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:57:23 BoogieIcfgContainer [2019-12-07 14:57:23,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:57:23,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:57:23,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:57:23,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:57:23,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:57:23" (1/3) ... [2019-12-07 14:57:23,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6c226b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:57:23, skipping insertion in model container [2019-12-07 14:57:23,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:57:23" (2/3) ... [2019-12-07 14:57:23,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6c226b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:57:23, skipping insertion in model container [2019-12-07 14:57:23,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:57:23" (3/3) ... [2019-12-07 14:57:23,671 INFO L109 eAbstractionObserver]: Analyzing ICFG large_const.i [2019-12-07 14:57:23,677 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:57:23,681 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:57:23,688 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:57:23,702 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:57:23,702 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:57:23,703 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:57:23,703 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:57:23,703 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:57:23,703 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:57:23,703 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:57:23,703 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:57:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-12-07 14:57:23,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 14:57:23,717 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:57:23,717 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 14:57:23,718 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:57:23,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:57:23,721 INFO L82 PathProgramCache]: Analyzing trace with hash 923713745, now seen corresponding path program 1 times [2019-12-07 14:57:23,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:57:23,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870442103] [2019-12-07 14:57:23,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:57:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:57:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:57:23,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870442103] [2019-12-07 14:57:23,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:57:23,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:57:23,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433887833] [2019-12-07 14:57:23,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:57:23,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:57:23,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:57:23,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:57:23,851 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2019-12-07 14:57:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:57:23,896 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2019-12-07 14:57:23,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:57:23,897 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-07 14:57:23,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:57:23,903 INFO L225 Difference]: With dead ends: 24 [2019-12-07 14:57:23,903 INFO L226 Difference]: Without dead ends: 10 [2019-12-07 14:57:23,905 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:57:23,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-12-07 14:57:23,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-12-07 14:57:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-07 14:57:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-12-07 14:57:23,928 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2019-12-07 14:57:23,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:57:23,928 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-12-07 14:57:23,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:57:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-12-07 14:57:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 14:57:23,928 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:57:23,929 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:57:23,929 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:57:23,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:57:23,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1460610663, now seen corresponding path program 1 times [2019-12-07 14:57:23,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:57:23,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382400463] [2019-12-07 14:57:23,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:57:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:57:24,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:57:24,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382400463] [2019-12-07 14:57:24,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834709877] [2019-12-07 14:57:24,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:57:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:57:24,037 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 14:57:24,040 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:57:24,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:57:24,068 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:57:24,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:57:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:57:24,085 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:57:24,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:57:24,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:57:24,110 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 14:57:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:57:24,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [693640834] [2019-12-07 14:57:24,143 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-12-07 14:57:24,143 INFO L166 IcfgInterpreter]: Building call graph [2019-12-07 14:57:24,149 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-12-07 14:57:24,154 INFO L176 IcfgInterpreter]: Starting interpretation [2019-12-07 14:57:24,154 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-12-07 14:57:24,265 INFO L180 IcfgInterpreter]: Interpretation finished [2019-12-07 14:57:24,517 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 14:57:24,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-12-07 14:57:24,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2019-12-07 14:57:24,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792134344] [2019-12-07 14:57:24,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 14:57:24,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:57:24,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 14:57:24,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2019-12-07 14:57:24,519 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 11 states. [2019-12-07 14:57:24,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:57:24,672 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2019-12-07 14:57:24,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 14:57:24,672 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 8 [2019-12-07 14:57:24,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:57:24,673 INFO L225 Difference]: With dead ends: 29 [2019-12-07 14:57:24,673 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 14:57:24,674 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=436, Unknown=0, NotChecked=0, Total=600 [2019-12-07 14:57:24,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 14:57:24,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2019-12-07 14:57:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 14:57:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-12-07 14:57:24,677 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 8 [2019-12-07 14:57:24,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:57:24,678 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-12-07 14:57:24,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 14:57:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-12-07 14:57:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 14:57:24,678 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:57:24,678 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:57:24,879 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:57:24,880 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:57:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:57:24,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1743557113, now seen corresponding path program 1 times [2019-12-07 14:57:24,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:57:24,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505535641] [2019-12-07 14:57:24,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:57:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:57:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:57:24,967 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505535641] [2019-12-07 14:57:24,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:57:24,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 14:57:24,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361919277] [2019-12-07 14:57:24,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:57:24,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 14:57:24,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:57:24,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:57:24,970 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 6 states. [2019-12-07 14:57:25,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:57:25,035 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-12-07 14:57:25,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:57:25,036 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-07 14:57:25,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:57:25,036 INFO L225 Difference]: With dead ends: 16 [2019-12-07 14:57:25,037 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:57:25,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:57:25,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:57:25,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:57:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:57:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:57:25,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-07 14:57:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:57:25,039 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:57:25,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:57:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:57:25,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:57:25,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:57:25,115 INFO L246 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2019-12-07 14:57:25,116 INFO L242 CegarLoopResult]: At program point L32-2(lines 32 36) the Hoare annotation is: (let ((.cse0 (<= 2000 ULTIMATE.start_main_~c2~0)) (.cse1 (<= 10000 ULTIMATE.start_main_~c3~0)) (.cse2 (<= ULTIMATE.start_main_~n~0 1)) (.cse4 (<= 4000 ULTIMATE.start_main_~c1~0)) (.cse3 (<= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~j~0))) (or (and .cse0 (< 0 ULTIMATE.start_main_~k~0) .cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2000 ULTIMATE.start_main_~k~0) .cse2 (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1)) .cse4) (and (<= ULTIMATE.start_main_~i~0 0) .cse3))) [2019-12-07 14:57:25,116 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:57:25,116 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-12-07 14:57:25,116 INFO L249 CegarLoopResult]: At program point L37(lines 10 38) the Hoare annotation is: true [2019-12-07 14:57:25,116 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-12-07 14:57:25,116 INFO L242 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (<= 2000 ULTIMATE.start_main_~c2~0) (<= 10000 ULTIMATE.start_main_~c3~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 2000 ULTIMATE.start_main_~k~0) (<= ULTIMATE.start_main_~n~0 1) (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1)) (<= 4000 ULTIMATE.start_main_~c1~0)) [2019-12-07 14:57:25,116 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:57:25,117 INFO L246 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2019-12-07 14:57:25,117 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-12-07 14:57:25,117 INFO L242 CegarLoopResult]: At program point L26-2(lines 20 30) the Hoare annotation is: (let ((.cse0 (<= 2000 ULTIMATE.start_main_~c2~0)) (.cse1 (<= 10000 ULTIMATE.start_main_~c3~0)) (.cse2 (<= 4000 ULTIMATE.start_main_~c1~0))) (or (and (<= ULTIMATE.start_main_~i~0 0) (<= 0 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= 2000 ULTIMATE.start_main_~k~0) (<= ULTIMATE.start_main_~n~0 1) .cse2))) [2019-12-07 14:57:25,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:57:25 BoogieIcfgContainer [2019-12-07 14:57:25,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:57:25,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:57:25,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:57:25,131 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:57:25,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:57:23" (3/4) ... [2019-12-07 14:57:25,133 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:57:25,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:57:25,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:57:25,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:57:25,174 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e96d9437-5431-4e1c-b8cb-6dfc7e49d541/bin/utaipan/witness.graphml [2019-12-07 14:57:25,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:57:25,176 INFO L168 Benchmark]: Toolchain (without parser) took 1959.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 938.9 MB in the beginning and 879.7 MB in the end (delta: 59.1 MB). Peak memory consumption was 161.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:57:25,176 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:57:25,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:57:25,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:57:25,177 INFO L168 Benchmark]: Boogie Preprocessor took 14.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:57:25,177 INFO L168 Benchmark]: RCFGBuilder took 202.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:57:25,178 INFO L168 Benchmark]: TraceAbstraction took 1464.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 885.1 MB in the end (delta: 189.2 MB). Peak memory consumption was 189.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:57:25,178 INFO L168 Benchmark]: Witness Printer took 44.22 ms. Allocated memory is still 1.1 GB. Free memory was 885.1 MB in the beginning and 879.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:57:25,180 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 202.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1464.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 885.1 MB in the end (delta: 189.2 MB). Peak memory consumption was 189.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.22 ms. Allocated memory is still 1.1 GB. Free memory was 885.1 MB in the beginning and 879.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (((((2000 <= c2 && 10000 <= c3) && 1 == cond) && 2000 <= k) && n <= 1) && n <= j + 1) && 4000 <= c1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((i <= 0 && 0 <= k) && 2000 <= c2) && 10000 <= c3) && 4000 <= c1) || ((((2000 <= c2 && 10000 <= c3) && 2000 <= k) && n <= 1) && 4000 <= c1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((2000 <= c2 && 0 < k) && 10000 <= c3) && 1 == cond) && n <= 1) && n <= j) && 4000 <= c1) || (((((2000 <= c2 && 10000 <= c3) && 2000 <= k) && n <= 1) && n <= j + 1) && 4000 <= c1)) || (i <= 0 && n <= j) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 39 SDslu, 38 SDs, 0 SdLazy, 61 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 12 NumberOfFragments, 109 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1590 SizeOfPredicates, 8 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 8/11 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...