./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63b671e779f88a024ade70e8e63a2c2a737aca60 ............................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:27:43,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:27:43,063 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:27:43,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:27:43,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:27:43,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:27:43,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:27:43,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:27:43,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:27:43,076 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:27:43,077 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:27:43,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:27:43,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:27:43,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:27:43,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:27:43,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:27:43,081 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:27:43,082 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:27:43,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:27:43,085 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:27:43,086 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:27:43,087 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:27:43,089 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:27:43,089 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:27:43,089 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:27:43,089 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:27:43,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:27:43,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:27:43,092 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:27:43,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:27:43,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:27:43,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:27:43,093 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:27:43,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:27:43,094 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:27:43,096 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:27:43,096 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 20:27:43,106 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:27:43,106 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:27:43,107 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:27:43,107 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:27:43,108 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:27:43,108 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:27:43,108 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:27:43,108 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:27:43,108 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:27:43,108 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:27:43,108 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:27:43,109 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:27:43,109 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:27:43,109 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:27:43,109 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:27:43,109 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:27:43,109 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:27:43,109 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:27:43,109 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:27:43,110 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:27:43,110 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:27:43,110 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:27:43,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:27:43,110 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:27:43,110 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:27:43,110 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:27:43,111 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 20:27:43,111 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:27:43,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:27:43,113 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer 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 -> 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 -> 63b671e779f88a024ade70e8e63a2c2a737aca60 [2018-10-26 20:27:43,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:27:43,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:27:43,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:27:43,156 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:27:43,156 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:27:43,157 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/../../sv-benchmarks/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i [2018-10-26 20:27:43,201 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/data/f716e077a/0349e7416f3b43c1891647a5781ac60e/FLAGef033077c [2018-10-26 20:27:43,547 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:27:43,548 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/sv-benchmarks/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i [2018-10-26 20:27:43,553 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/data/f716e077a/0349e7416f3b43c1891647a5781ac60e/FLAGef033077c [2018-10-26 20:27:43,565 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/data/f716e077a/0349e7416f3b43c1891647a5781ac60e [2018-10-26 20:27:43,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:27:43,569 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:27:43,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:27:43,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:27:43,573 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:27:43,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:27:43" (1/1) ... [2018-10-26 20:27:43,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363511fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43, skipping insertion in model container [2018-10-26 20:27:43,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:27:43" (1/1) ... [2018-10-26 20:27:43,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:27:43,597 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:27:43,713 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:27:43,716 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:27:43,730 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:27:43,746 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:27:43,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43 WrapperNode [2018-10-26 20:27:43,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:27:43,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:27:43,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:27:43,748 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:27:43,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43" (1/1) ... [2018-10-26 20:27:43,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43" (1/1) ... [2018-10-26 20:27:43,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43" (1/1) ... [2018-10-26 20:27:43,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43" (1/1) ... [2018-10-26 20:27:43,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43" (1/1) ... [2018-10-26 20:27:43,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43" (1/1) ... [2018-10-26 20:27:43,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43" (1/1) ... [2018-10-26 20:27:43,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:27:43,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:27:43,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:27:43,780 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:27:43,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/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 [2018-10-26 20:27:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:27:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:27:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 20:27:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printEven [2018-10-26 20:27:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printOdd [2018-10-26 20:27:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:27:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 20:27:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-26 20:27:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 20:27:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure printEven [2018-10-26 20:27:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure printOdd [2018-10-26 20:27:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:27:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:27:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 20:27:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 20:27:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:27:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:27:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-26 20:27:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 20:27:44,360 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:27:44,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:27:44 BoogieIcfgContainer [2018-10-26 20:27:44,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:27:44,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:27:44,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:27:44,370 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:27:44,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:27:43" (1/3) ... [2018-10-26 20:27:44,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c9ec56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:27:44, skipping insertion in model container [2018-10-26 20:27:44,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:27:43" (2/3) ... [2018-10-26 20:27:44,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c9ec56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:27:44, skipping insertion in model container [2018-10-26 20:27:44,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:27:44" (3/3) ... [2018-10-26 20:27:44,374 INFO L112 eAbstractionObserver]: Analyzing ICFG sanfoundry_24_true-unreach-call_true-termination.i [2018-10-26 20:27:44,385 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:27:44,393 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:27:44,409 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:27:44,441 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:27:44,442 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:27:44,442 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:27:44,442 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:27:44,442 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:27:44,442 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:27:44,442 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:27:44,442 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:27:44,442 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:27:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-10-26 20:27:44,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 20:27:44,471 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:27:44,472 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:27:44,474 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:27:44,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:27:44,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1882719507, now seen corresponding path program 1 times [2018-10-26 20:27:44,484 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:27:44,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:27:44,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:27:44,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:27:44,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:27:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:27:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:27:44,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:27:44,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:27:44,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:27:44,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:27:44,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:27:44,935 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 9 states. [2018-10-26 20:27:45,346 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 20:27:45,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:27:45,550 INFO L93 Difference]: Finished difference Result 88 states and 106 transitions. [2018-10-26 20:27:45,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:27:45,552 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-10-26 20:27:45,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:27:45,558 INFO L225 Difference]: With dead ends: 88 [2018-10-26 20:27:45,558 INFO L226 Difference]: Without dead ends: 43 [2018-10-26 20:27:45,561 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-10-26 20:27:45,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-26 20:27:45,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2018-10-26 20:27:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-10-26 20:27:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2018-10-26 20:27:45,590 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 18 [2018-10-26 20:27:45,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:27:45,591 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2018-10-26 20:27:45,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:27:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2018-10-26 20:27:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 20:27:45,592 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:27:45,592 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:27:45,593 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:27:45,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:27:45,593 INFO L82 PathProgramCache]: Analyzing trace with hash -2065580199, now seen corresponding path program 1 times [2018-10-26 20:27:45,593 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:27:45,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:27:45,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:27:45,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:27:45,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:27:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:27:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:27:45,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:27:45,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 20:27:45,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 20:27:45,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 20:27:45,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:27:45,686 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 5 states. [2018-10-26 20:27:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:27:45,761 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2018-10-26 20:27:45,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:27:45,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-10-26 20:27:45,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:27:45,764 INFO L225 Difference]: With dead ends: 79 [2018-10-26 20:27:45,764 INFO L226 Difference]: Without dead ends: 58 [2018-10-26 20:27:45,765 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 20:27:45,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-10-26 20:27:45,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 44. [2018-10-26 20:27:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-26 20:27:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-10-26 20:27:45,774 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 21 [2018-10-26 20:27:45,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:27:45,774 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-10-26 20:27:45,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 20:27:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-10-26 20:27:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 20:27:45,775 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:27:45,775 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:27:45,775 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:27:45,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:27:45,776 INFO L82 PathProgramCache]: Analyzing trace with hash 407559035, now seen corresponding path program 1 times [2018-10-26 20:27:45,776 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:27:45,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:27:45,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:27:45,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:27:45,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:27:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:27:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 20:27:46,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:27:46,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:27:46,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:27:46,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:27:46,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:27:46,230 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 9 states. [2018-10-26 20:27:46,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:27:46,372 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2018-10-26 20:27:46,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:27:46,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-10-26 20:27:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:27:46,376 INFO L225 Difference]: With dead ends: 45 [2018-10-26 20:27:46,376 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:27:46,377 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-10-26 20:27:46,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:27:46,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:27:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:27:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:27:46,378 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-10-26 20:27:46,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:27:46,378 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:27:46,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:27:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:27:46,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:27:46,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:27:46,571 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-10-26 20:27:46,795 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:27:46,795 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:27:46,795 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:27:46,796 INFO L428 ceAbstractionStarter]: At program point printOddENTRY(lines 7 9) the Hoare annotation is: true [2018-10-26 20:27:46,796 INFO L421 ceAbstractionStarter]: At program point L8(line 8) the Hoare annotation is: (or (<= (* 2 (div (+ printOdd_~i 2) 2)) (+ printOdd_~i 1)) (< (+ |printOdd_#in~i| 1) (* 2 (div (+ |printOdd_#in~i| 2) 2)))) [2018-10-26 20:27:46,796 INFO L425 ceAbstractionStarter]: For program point printOddFINAL(lines 7 9) no Hoare annotation was computed. [2018-10-26 20:27:46,796 INFO L425 ceAbstractionStarter]: For program point printOddEXIT(lines 7 9) no Hoare annotation was computed. [2018-10-26 20:27:46,796 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:27:46,796 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 20:27:46,796 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:27:46,797 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:27:46,797 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 30) no Hoare annotation was computed. [2018-10-26 20:27:46,797 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-10-26 20:27:46,797 INFO L421 ceAbstractionStarter]: At program point L19-1(line 19) the Hoare annotation is: (and (<= |main_#t~mem3| (* 2 (div |main_#t~mem3| 2))) (let ((.cse0 (select (select |#memory_int| |main_~#array~0.base|) (+ |main_~#array~0.offset| (* 4 main_~i~0))))) (<= .cse0 (* 2 (div .cse0 2))))) [2018-10-26 20:27:46,797 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-10-26 20:27:46,797 INFO L425 ceAbstractionStarter]: For program point L19-2(line 19) no Hoare annotation was computed. [2018-10-26 20:27:46,797 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 20) no Hoare annotation was computed. [2018-10-26 20:27:46,798 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 21) no Hoare annotation was computed. [2018-10-26 20:27:46,798 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 30) no Hoare annotation was computed. [2018-10-26 20:27:46,798 INFO L425 ceAbstractionStarter]: For program point L15-3(lines 15 21) no Hoare annotation was computed. [2018-10-26 20:27:46,798 INFO L428 ceAbstractionStarter]: At program point L15-4(lines 15 21) the Hoare annotation is: true [2018-10-26 20:27:46,798 INFO L425 ceAbstractionStarter]: For program point L15-5(lines 15 21) no Hoare annotation was computed. [2018-10-26 20:27:46,798 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 30) the Hoare annotation is: true [2018-10-26 20:27:46,798 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-10-26 20:27:46,799 INFO L421 ceAbstractionStarter]: At program point L26-1(line 26) the Hoare annotation is: (and (<= (* 2 (div (+ |main_#t~mem6| 2) 2)) (+ |main_#t~mem6| 1)) (let ((.cse0 (select (select |#memory_int| |main_~#array~0.base|) (+ |main_~#array~0.offset| (* 4 main_~i~0))))) (<= (* 2 (div (+ .cse0 2) 2)) (+ .cse0 1)))) [2018-10-26 20:27:46,799 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-10-26 20:27:46,800 INFO L425 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-10-26 20:27:46,800 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 27) no Hoare annotation was computed. [2018-10-26 20:27:46,801 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 28) no Hoare annotation was computed. [2018-10-26 20:27:46,801 INFO L425 ceAbstractionStarter]: For program point L22-3(lines 22 28) no Hoare annotation was computed. [2018-10-26 20:27:46,801 INFO L428 ceAbstractionStarter]: At program point L22-4(lines 22 28) the Hoare annotation is: true [2018-10-26 20:27:46,801 INFO L425 ceAbstractionStarter]: For program point L22-5(lines 22 28) no Hoare annotation was computed. [2018-10-26 20:27:46,801 INFO L425 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-10-26 20:27:46,801 INFO L425 ceAbstractionStarter]: For program point L12-1(line 12) no Hoare annotation was computed. [2018-10-26 20:27:46,801 INFO L425 ceAbstractionStarter]: For program point L12-2(line 12) no Hoare annotation was computed. [2018-10-26 20:27:46,801 INFO L425 ceAbstractionStarter]: For program point printEvenEXIT(lines 4 6) no Hoare annotation was computed. [2018-10-26 20:27:46,802 INFO L428 ceAbstractionStarter]: At program point printEvenENTRY(lines 4 6) the Hoare annotation is: true [2018-10-26 20:27:46,802 INFO L425 ceAbstractionStarter]: For program point printEvenFINAL(lines 4 6) no Hoare annotation was computed. [2018-10-26 20:27:46,802 INFO L421 ceAbstractionStarter]: At program point L5(line 5) the Hoare annotation is: (or (< (* 2 (div |printEven_#in~i| 2)) |printEven_#in~i|) (<= printEven_~i (* 2 (div printEven_~i 2)))) [2018-10-26 20:27:46,802 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2018-10-26 20:27:46,802 INFO L425 ceAbstractionStarter]: For program point L3-3(line 3) no Hoare annotation was computed. [2018-10-26 20:27:46,802 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 3) the Hoare annotation is: true [2018-10-26 20:27:46,803 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 3) no Hoare annotation was computed. [2018-10-26 20:27:46,803 INFO L425 ceAbstractionStarter]: For program point L3(line 3) no Hoare annotation was computed. [2018-10-26 20:27:46,803 INFO L425 ceAbstractionStarter]: For program point L3-1(line 3) no Hoare annotation was computed. [2018-10-26 20:27:46,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:27:46 BoogieIcfgContainer [2018-10-26 20:27:46,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:27:46,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:27:46,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:27:46,809 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:27:46,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:27:44" (3/4) ... [2018-10-26 20:27:46,813 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:27:46,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:27:46,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printOdd [2018-10-26 20:27:46,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEven [2018-10-26 20:27:46,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:27:46,819 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 20:27:46,824 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-10-26 20:27:46,824 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 20:27:46,824 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:27:46,868 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5d39bd16-2e60-479d-875a-e7d21ab2bfd1/bin-2019/uautomizer/witness.graphml [2018-10-26 20:27:46,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:27:46,869 INFO L168 Benchmark]: Toolchain (without parser) took 3301.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 959.6 MB in the beginning and 1.0 GB in the end (delta: -69.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:27:46,870 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:27:46,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.81 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:27:46,871 INFO L168 Benchmark]: Boogie Preprocessor took 31.98 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:27:46,871 INFO L168 Benchmark]: RCFGBuilder took 581.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:27:46,872 INFO L168 Benchmark]: TraceAbstraction took 2446.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:27:46,872 INFO L168 Benchmark]: Witness Printer took 59.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:27:46,875 INFO L336 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.81 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.98 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 581.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2446.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. * Witness Printer took 59.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 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: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 45 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 37 SDslu, 524 SDs, 0 SdLazy, 209 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 23 PreInvPairs, 29 NumberOfFragments, 119 HoareAnnotationTreeSize, 23 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 4342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...