./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b3_o2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b3_o2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a033d09eab07f8bc6e49bb4301ebd6c89110f535 ...................................................................................................................................................................................................................................... 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 23:31:29,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:31:29,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:31:29,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:31:29,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:31:29,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:31:29,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:31:29,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:31:29,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:31:29,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:31:29,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:31:29,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:31:29,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:31:29,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:31:29,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:31:29,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:31:29,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:31:29,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:31:29,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:31:29,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:31:29,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:31:29,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:31:29,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:31:29,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:31:29,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:31:29,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:31:29,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:31:29,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:31:29,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:31:29,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:31:29,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:31:29,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:31:29,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:31:29,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:31:29,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:31:29,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:31:29,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:31:29,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:31:29,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:31:29,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:31:29,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:31:29,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-19 23:31:29,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:31:29,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:31:29,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:31:29,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:31:29,417 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:31:29,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:31:29,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:31:29,418 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:31:29,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:31:29,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:31:29,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:31:29,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:31:29,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:31:29,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:31:29,419 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 23:31:29,419 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:31:29,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:31:29,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:31:29,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:31:29,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:31:29,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:31:29,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:31:29,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:31:29,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:31:29,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:31:29,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:31:29,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:31:29,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:31:29,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:31:29,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:31:29,422 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_77da4673-af6e-4020-8c62-5121d7dddd34/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 ! overflow) ) 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 -> a033d09eab07f8bc6e49bb4301ebd6c89110f535 [2019-11-19 23:31:29,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:31:29,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:31:29,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:31:29,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:31:29,632 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:31:29,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2019-11-19 23:31:29,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/data/069b93e31/ff4f8241d33d4a59bc54265e691f7bc1/FLAG69971e7f1 [2019-11-19 23:31:30,121 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:31:30,122 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/sv-benchmarks/c/recursive-simple/id2_b3_o2.c [2019-11-19 23:31:30,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/data/069b93e31/ff4f8241d33d4a59bc54265e691f7bc1/FLAG69971e7f1 [2019-11-19 23:31:30,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/data/069b93e31/ff4f8241d33d4a59bc54265e691f7bc1 [2019-11-19 23:31:30,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:31:30,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:31:30,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:31:30,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:31:30,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:31:30,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f730838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30, skipping insertion in model container [2019-11-19 23:31:30,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,178 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:31:30,197 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:31:30,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:31:30,416 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:31:30,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:31:30,533 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:31:30,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30 WrapperNode [2019-11-19 23:31:30,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:31:30,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:31:30,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:31:30,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:31:30,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:31:30,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:31:30,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:31:30,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:31:30,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... [2019-11-19 23:31:30,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:31:30,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:31:30,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:31:30,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:31:30,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/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 23:31:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-11-19 23:31:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-11-19 23:31:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:31:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:31:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-19 23:31:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-19 23:31:30,803 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:31:30,803 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-19 23:31:30,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:31:30 BoogieIcfgContainer [2019-11-19 23:31:30,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:31:30,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:31:30,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:31:30,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:31:30,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:31:30" (1/3) ... [2019-11-19 23:31:30,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57695df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:31:30, skipping insertion in model container [2019-11-19 23:31:30,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:31:30" (2/3) ... [2019-11-19 23:31:30,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57695df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:31:30, skipping insertion in model container [2019-11-19 23:31:30,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:31:30" (3/3) ... [2019-11-19 23:31:30,822 INFO L109 eAbstractionObserver]: Analyzing ICFG id2_b3_o2.c [2019-11-19 23:31:30,832 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:31:30,843 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-19 23:31:30,863 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-19 23:31:30,888 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:31:30,889 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:31:30,889 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:31:30,889 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:31:30,890 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:31:30,890 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:31:30,890 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:31:30,890 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:31:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-19 23:31:30,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:31:30,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2019-11-19 23:31:30,972 INFO L444 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-11-19 23:31:30,972 INFO L447 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: true [2019-11-19 23:31:30,973 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-19 23:31:30,973 INFO L444 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-11-19 23:31:30,973 INFO L444 ceAbstractionStarter]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. [2019-11-19 23:31:30,973 INFO L447 ceAbstractionStarter]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true [2019-11-19 23:31:30,973 INFO L444 ceAbstractionStarter]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. [2019-11-19 23:31:30,974 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:31:30,974 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:31:30,974 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:31:30,974 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-19 23:31:30,974 INFO L444 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-11-19 23:31:30,975 INFO L447 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true [2019-11-19 23:31:30,975 INFO L444 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-19 23:31:30,975 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 27) no Hoare annotation was computed. [2019-11-19 23:31:30,975 INFO L444 ceAbstractionStarter]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. [2019-11-19 23:31:30,975 INFO L444 ceAbstractionStarter]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. [2019-11-19 23:31:30,975 INFO L444 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-19 23:31:30,976 INFO L447 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: true [2019-11-19 23:31:30,976 INFO L444 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-19 23:31:30,976 INFO L444 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-11-19 23:31:30,976 INFO L447 ceAbstractionStarter]: At program point idENTRY(lines 7 12) the Hoare annotation is: true [2019-11-19 23:31:30,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:31:30 BoogieIcfgContainer [2019-11-19 23:31:30,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:31:30,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:31:30,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:31:30,981 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:31:30,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:31:30" (3/4) ... [2019-11-19 23:31:30,985 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:31:30,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2019-11-19 23:31:30,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-19 23:31:31,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 23:31:31,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:31:31,044 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_77da4673-af6e-4020-8c62-5121d7dddd34/bin/uautomizer/witness.graphml [2019-11-19 23:31:31,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:31:31,046 INFO L168 Benchmark]: Toolchain (without parser) took 894.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -127.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:31:31,046 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:31:31,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:31,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.93 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. [2019-11-19 23:31:31,047 INFO L168 Benchmark]: Boogie Preprocessor took 12.82 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. [2019-11-19 23:31:31,048 INFO L168 Benchmark]: RCFGBuilder took 230.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:31,048 INFO L168 Benchmark]: TraceAbstraction took 174.81 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:31,049 INFO L168 Benchmark]: Witness Printer took 63.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:31:31,051 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.93 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 12.82 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 230.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 174.81 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.73 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: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 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=22occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 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...