./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/array-1.c --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_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/array-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/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 1933a74e6216ebab1567a755608ab53b0dd0aaf9 .............................................................................................................................................................................................................................................................................................................................................................................. 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 15:13:54,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:13:54,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:13:54,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:13:54,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:13:54,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:13:54,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:13:54,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:13:54,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:13:54,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:13:54,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:13:54,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:13:54,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:13:54,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:13:54,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:13:54,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:13:54,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:13:54,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:13:54,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:13:54,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:13:54,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:13:54,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:13:54,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:13:54,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:13:54,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:13:54,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:13:54,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:13:54,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:13:54,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:13:54,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:13:54,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:13:54,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:13:54,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:13:54,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:13:54,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:13:54,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:13:54,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:13:54,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:13:54,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:13:54,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:13:54,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:13:54,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:13:54,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:13:54,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:13:54,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:13:54,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:13:54,197 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:13:54,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:13:54,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:13:54,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:13:54,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:13:54,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:13:54,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:13:54,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:13:54,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:13:54,198 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:13:54,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:13:54,198 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:13:54,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:13:54,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:13:54,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:13:54,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:13:54,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:13:54,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:13:54,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:13:54,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:13:54,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:13:54,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:13:54,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:13:54,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:13:54,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:13:54,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/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 -> 1933a74e6216ebab1567a755608ab53b0dd0aaf9 [2019-12-07 15:13:54,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:13:54,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:13:54,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:13:54,311 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:13:54,311 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:13:54,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/../../sv-benchmarks/c/loops/array-1.c [2019-12-07 15:13:54,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/data/bea42ff27/1f0ffaf02c4e4e72b2efffeaab056a7f/FLAGa92662361 [2019-12-07 15:13:54,780 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:13:54,781 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/sv-benchmarks/c/loops/array-1.c [2019-12-07 15:13:54,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/data/bea42ff27/1f0ffaf02c4e4e72b2efffeaab056a7f/FLAGa92662361 [2019-12-07 15:13:54,793 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/data/bea42ff27/1f0ffaf02c4e4e72b2efffeaab056a7f [2019-12-07 15:13:54,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:13:54,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:13:54,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:13:54,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:13:54,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:13:54,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:54,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f60ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54, skipping insertion in model container [2019-12-07 15:13:54,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:54,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:13:54,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:13:54,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:13:54,959 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:13:54,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:13:54,988 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:13:54,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54 WrapperNode [2019-12-07 15:13:54,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:13:54,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:13:54,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:13:54,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:13:54,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:55,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:55,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:13:55,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:13:55,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:13:55,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:13:55,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:55,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:55,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:55,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:55,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:55,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:55,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... [2019-12-07 15:13:55,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:13:55,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:13:55,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:13:55,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:13:55,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/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 [2019-12-07 15:13:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:13:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:13:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:13:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:13:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:13:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:13:55,186 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:13:55,186 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 15:13:55,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:13:55 BoogieIcfgContainer [2019-12-07 15:13:55,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:13:55,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:13:55,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:13:55,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:13:55,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:13:54" (1/3) ... [2019-12-07 15:13:55,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5f5881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:13:55, skipping insertion in model container [2019-12-07 15:13:55,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:54" (2/3) ... [2019-12-07 15:13:55,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5f5881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:13:55, skipping insertion in model container [2019-12-07 15:13:55,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:13:55" (3/3) ... [2019-12-07 15:13:55,192 INFO L109 eAbstractionObserver]: Analyzing ICFG array-1.c [2019-12-07 15:13:55,198 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:13:55,202 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:13:55,210 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:13:55,224 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:13:55,224 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:13:55,224 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:13:55,224 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:13:55,224 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:13:55,224 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:13:55,224 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:13:55,225 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:13:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-12-07 15:13:55,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 15:13:55,237 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:13:55,237 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:13:55,237 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:13:55,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:13:55,241 INFO L82 PathProgramCache]: Analyzing trace with hash 889937703, now seen corresponding path program 1 times [2019-12-07 15:13:55,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:13:55,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232607703] [2019-12-07 15:13:55,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:13:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:13:55,333 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 15:13:55,333 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232607703] [2019-12-07 15:13:55,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:13:55,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:13:55,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107276971] [2019-12-07 15:13:55,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:13:55,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:13:55,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:13:55,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:13:55,347 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-12-07 15:13:55,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:13:55,358 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-12-07 15:13:55,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:13:55,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-07 15:13:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:13:55,364 INFO L225 Difference]: With dead ends: 21 [2019-12-07 15:13:55,364 INFO L226 Difference]: Without dead ends: 9 [2019-12-07 15:13:55,366 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:13:55,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-12-07 15:13:55,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-12-07 15:13:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 15:13:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-12-07 15:13:55,386 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2019-12-07 15:13:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:13:55,386 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-12-07 15:13:55,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:13:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-12-07 15:13:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 15:13:55,387 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:13:55,387 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:13:55,387 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:13:55,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:13:55,387 INFO L82 PathProgramCache]: Analyzing trace with hash 889610002, now seen corresponding path program 1 times [2019-12-07 15:13:55,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:13:55,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607523187] [2019-12-07 15:13:55,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:13:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:13:55,452 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 15:13:55,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607523187] [2019-12-07 15:13:55,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:13:55,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:13:55,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130691824] [2019-12-07 15:13:55,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:13:55,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:13:55,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:13:55,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:13:55,455 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2019-12-07 15:13:55,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:13:55,471 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2019-12-07 15:13:55,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:13:55,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 15:13:55,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:13:55,472 INFO L225 Difference]: With dead ends: 16 [2019-12-07 15:13:55,472 INFO L226 Difference]: Without dead ends: 12 [2019-12-07 15:13:55,473 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:13:55,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-12-07 15:13:55,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2019-12-07 15:13:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-07 15:13:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-12-07 15:13:55,475 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2019-12-07 15:13:55,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:13:55,475 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-12-07 15:13:55,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:13:55,475 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-12-07 15:13:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 15:13:55,475 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:13:55,475 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:13:55,476 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:13:55,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:13:55,476 INFO L82 PathProgramCache]: Analyzing trace with hash -332619814, now seen corresponding path program 1 times [2019-12-07 15:13:55,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:13:55,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985915701] [2019-12-07 15:13:55,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:13:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:13:55,751 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 28 [2019-12-07 15:13:55,904 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 15:13:55,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985915701] [2019-12-07 15:13:55,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939489055] [2019-12-07 15:13:55,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/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 15:13:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:13:55,933 INFO L264 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-07 15:13:55,936 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:13:55,979 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-12-07 15:13:55,979 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:13:55,990 INFO L614 ElimStorePlain]: treesize reduction 12, result has 66.7 percent of original size [2019-12-07 15:13:55,998 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2019-12-07 15:13:55,998 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 15:13:56,003 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:13:56,004 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:13:56,004 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:75, output treesize:7 [2019-12-07 15:13:56,062 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:13:56,076 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 15:13:56,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:13:56,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-12-07 15:13:56,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205389776] [2019-12-07 15:13:56,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 15:13:56,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:13:56,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 15:13:56,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-12-07 15:13:56,079 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 13 states. [2019-12-07 15:13:56,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:13:56,213 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-12-07 15:13:56,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:13:56,213 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 9 [2019-12-07 15:13:56,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:13:56,214 INFO L225 Difference]: With dead ends: 15 [2019-12-07 15:13:56,214 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:13:56,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-12-07 15:13:56,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:13:56,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:13:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:13:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:13:56,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-12-07 15:13:56,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:13:56,215 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:13:56,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 15:13:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:13:56,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:13:56,416 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:13:56,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:13:56,516 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:13:56,516 INFO L246 CegarLoopResult]: For program point L19-2(lines 19 24) no Hoare annotation was computed. [2019-12-07 15:13:56,517 INFO L242 CegarLoopResult]: At program point L19-3(lines 19 24) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~SIZE~0 1)) (.cse1 (= 0 |ULTIMATE.start_main_~#array~0.offset|))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~j~0 0)) (and .cse0 (<= ULTIMATE.start_main_~menor~0 (select (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|) (+ (* (mod (+ ULTIMATE.start_main_~j~0 4294967295) 4294967296) 4) |ULTIMATE.start_main_~#array~0.offset|))) (= ULTIMATE.start_main_~j~0 1) .cse1))) [2019-12-07 15:13:56,517 INFO L246 CegarLoopResult]: For program point L19-4(lines 19 24) no Hoare annotation was computed. [2019-12-07 15:13:56,518 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-12-07 15:13:56,518 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:13:56,518 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:13:56,519 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:13:56,519 INFO L249 CegarLoopResult]: At program point L28(lines 11 29) the Hoare annotation is: true [2019-12-07 15:13:56,519 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-12-07 15:13:56,520 INFO L246 CegarLoopResult]: For program point L22(lines 22 23) no Hoare annotation was computed. [2019-12-07 15:13:56,520 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-12-07 15:13:56,520 INFO L249 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-12-07 15:13:56,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 15:13:56,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 15:13:56,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:13:56 BoogieIcfgContainer [2019-12-07 15:13:56,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:13:56,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:13:56,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:13:56,543 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:13:56,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:13:55" (3/4) ... [2019-12-07 15:13:56,547 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:13:56,554 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 15:13:56,554 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 15:13:56,554 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:13:56,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_69ee3f00-0916-4310-bac0-bdff6dbeea89/bin/uautomizer/witness.graphml [2019-12-07 15:13:56,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:13:56,591 INFO L168 Benchmark]: Toolchain (without parser) took 1795.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 942.4 MB in the beginning and 917.5 MB in the end (delta: 24.9 MB). Peak memory consumption was 126.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:56,591 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:13:56,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:56,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.00 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 15:13:56,593 INFO L168 Benchmark]: Boogie Preprocessor took 14.36 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 15:13:56,593 INFO L168 Benchmark]: RCFGBuilder took 156.03 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:56,593 INFO L168 Benchmark]: TraceAbstraction took 1355.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 922.9 MB in the end (delta: 151.9 MB). Peak memory consumption was 151.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:56,594 INFO L168 Benchmark]: Witness Printer took 46.69 ms. Allocated memory is still 1.1 GB. Free memory was 922.9 MB in the beginning and 917.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:56,596 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.00 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 14.36 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 156.03 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1355.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 922.9 MB in the end (delta: 151.9 MB). Peak memory consumption was 151.9 MB. Max. memory is 11.5 GB. * Witness Printer took 46.69 ms. Allocated memory is still 1.1 GB. Free memory was 922.9 MB in the beginning and 917.5 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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: 19]: Loop Invariant [2019-12-07 15:13:56,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 15:13:56,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((SIZE == 1 && 0 == array) && j == 0) || (((SIZE == 1 && menor <= unknown-#memory_int-unknown[array][(j + 4294967295) % 4294967296 * 4 + array]) && j == 1) && 0 == array) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 10 SDslu, 14 SDs, 0 SdLazy, 41 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 38 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1585 SizeOfPredicates, 9 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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...