./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/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 09d0f89f9f5c05e5a1c2be78c272348efe147377 .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:06:05,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:06:05,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:06:05,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:06:05,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:06:05,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:06:05,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:06:05,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:06:05,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:06:05,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:06:05,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:06:05,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:06:05,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:06:05,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:06:05,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:06:05,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:06:05,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:06:05,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:06:05,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:06:05,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:06:05,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:06:05,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:06:05,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:06:05,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:06:05,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:06:05,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:06:05,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:06:05,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:06:05,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:06:05,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:06:05,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:06:05,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:06:05,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:06:05,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:06:05,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:06:05,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:06:05,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:06:05,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:06:05,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:06:05,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:06:05,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:06:05,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:06:05,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:06:05,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:06:05,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:06:05,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:06:05,538 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:06:05,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:06:05,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:06:05,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:06:05,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:06:05,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:06:05,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:06:05,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:06:05,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:06:05,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:06:05,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:06:05,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:06:05,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:06:05,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:06:05,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:06:05,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:06:05,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:06:05,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:06:05,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:06:05,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:06:05,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:06:05,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:06:05,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:06:05,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:06:05,543 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_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/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 -> 09d0f89f9f5c05e5a1c2be78c272348efe147377 [2019-11-19 23:06:05,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:06:05,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:06:05,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:06:05,727 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:06:05,727 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:06:05,728 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/../../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2019-11-19 23:06:05,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/data/eb928e284/d4b429eade504bd8802dec73e2ca39fb/FLAGc7343bb43 [2019-11-19 23:06:06,108 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:06:06,110 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2019-11-19 23:06:06,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/data/eb928e284/d4b429eade504bd8802dec73e2ca39fb/FLAGc7343bb43 [2019-11-19 23:06:06,490 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/data/eb928e284/d4b429eade504bd8802dec73e2ca39fb [2019-11-19 23:06:06,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:06:06,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:06:06,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:06:06,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:06:06,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:06:06,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1866e62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06, skipping insertion in model container [2019-11-19 23:06:06,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,507 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:06:06,518 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:06:06,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:06:06,666 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:06:06,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:06:06,756 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:06:06,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06 WrapperNode [2019-11-19 23:06:06,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:06:06,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:06:06,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:06:06,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:06:06,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:06:06,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:06:06,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:06:06,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:06:06,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... [2019-11-19 23:06:06,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:06:06,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:06:06,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:06:06,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:06:06,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/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 [2019-11-19 23:06:06,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:06:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:06:06,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:06:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:06:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:06:06,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:06:07,031 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:06:07,031 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-19 23:06:07,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:06:07 BoogieIcfgContainer [2019-11-19 23:06:07,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:06:07,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:06:07,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:06:07,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:06:07,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:06:06" (1/3) ... [2019-11-19 23:06:07,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2611d0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:06:07, skipping insertion in model container [2019-11-19 23:06:07,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:06:06" (2/3) ... [2019-11-19 23:06:07,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2611d0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:06:07, skipping insertion in model container [2019-11-19 23:06:07,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:06:07" (3/3) ... [2019-11-19 23:06:07,039 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_43_ground.i [2019-11-19 23:06:07,054 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:06:07,060 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-19 23:06:07,069 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-19 23:06:07,089 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:06:07,089 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:06:07,090 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:06:07,090 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:06:07,090 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:06:07,090 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:06:07,091 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:06:07,091 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:06:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-19 23:06:07,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:06:07,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2019-11-19 23:06:07,163 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:06:07,163 INFO L444 ceAbstractionStarter]: For program point L23-2(lines 23 25) no Hoare annotation was computed. [2019-11-19 23:06:07,163 INFO L447 ceAbstractionStarter]: At program point L23-3(lines 23 25) the Hoare annotation is: true [2019-11-19 23:06:07,164 INFO L444 ceAbstractionStarter]: For program point L23-4(lines 23 25) no Hoare annotation was computed. [2019-11-19 23:06:07,164 INFO L444 ceAbstractionStarter]: For program point L17-2(lines 17 19) no Hoare annotation was computed. [2019-11-19 23:06:07,164 INFO L447 ceAbstractionStarter]: At program point L17-3(lines 17 19) the Hoare annotation is: true [2019-11-19 23:06:07,164 INFO L444 ceAbstractionStarter]: For program point L17-4(lines 17 19) no Hoare annotation was computed. [2019-11-19 23:06:07,164 INFO L444 ceAbstractionStarter]: For program point L5(lines 5 11) no Hoare annotation was computed. [2019-11-19 23:06:07,165 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:06:07,165 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:06:07,165 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:06:07,165 INFO L447 ceAbstractionStarter]: At program point L26(lines 12 27) the Hoare annotation is: true [2019-11-19 23:06:07,165 INFO L444 ceAbstractionStarter]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2019-11-19 23:06:07,166 INFO L447 ceAbstractionStarter]: At program point L8-3(lines 8 10) the Hoare annotation is: true [2019-11-19 23:06:07,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:06:07 BoogieIcfgContainer [2019-11-19 23:06:07,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:06:07,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:06:07,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:06:07,180 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:06:07,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:06:07" (3/4) ... [2019-11-19 23:06:07,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:06:07,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-19 23:06:07,195 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 23:06:07,195 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:06:07,246 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d07c811a-a6b4-44e5-8af9-a7e67cb2a460/bin/uautomizer/witness.graphml [2019-11-19 23:06:07,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:06:07,248 INFO L168 Benchmark]: Toolchain (without parser) took 754.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:06:07,249 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:06:07,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:06:07,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:06:07,250 INFO L168 Benchmark]: Boogie Preprocessor took 22.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:06:07,251 INFO L168 Benchmark]: RCFGBuilder took 225.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:06:07,251 INFO L168 Benchmark]: TraceAbstraction took 141.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:06:07,251 INFO L168 Benchmark]: Witness Printer took 66.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:06:07,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 225.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 141.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 66.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...