./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/gcd_3_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_3_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02e9294118e002d2445af62127a7232f85fd6228 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:30:19,158 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:30:19,159 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:30:19,167 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:30:19,167 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:30:19,168 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:30:19,168 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:30:19,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:30:19,170 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:30:19,171 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:30:19,172 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:30:19,172 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:30:19,172 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:30:19,173 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:30:19,174 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:30:19,174 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:30:19,175 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:30:19,176 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:30:19,177 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:30:19,178 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:30:19,179 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:30:19,180 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:30:19,181 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:30:19,182 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:30:19,182 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:30:19,182 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:30:19,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:30:19,184 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:30:19,185 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:30:19,186 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:30:19,186 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:30:19,186 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:30:19,186 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:30:19,187 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:30:19,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:30:19,188 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:30:19,189 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-11-10 10:30:19,199 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:30:19,199 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:30:19,199 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:30:19,200 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:30:19,200 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:30:19,200 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:30:19,200 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:30:19,200 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:30:19,201 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:30:19,201 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:30:19,201 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:30:19,201 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:30:19,201 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:30:19,201 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:30:19,201 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:30:19,201 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 10:30:19,201 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:30:19,202 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:30:19,202 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:30:19,202 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:30:19,202 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:30:19,202 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:30:19,202 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:30:19,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:30:19,202 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:30:19,203 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:30:19,203 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:30:19,203 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:30:19,203 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:30:19,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:30:19,203 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak 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 -> Kojak 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 -> 02e9294118e002d2445af62127a7232f85fd6228 [2018-11-10 10:30:19,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:30:19,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:30:19,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:30:19,241 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:30:19,242 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:30:19,242 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/gcd_3_true-unreach-call_true-no-overflow.i [2018-11-10 10:30:19,285 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/data/99ca0e3fa/e7edfb17e4be42c4876f3d5cf5e4da99/FLAG45c6c01d3 [2018-11-10 10:30:19,677 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:30:19,678 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/sv-benchmarks/c/bitvector/gcd_3_true-unreach-call_true-no-overflow.i [2018-11-10 10:30:19,682 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/data/99ca0e3fa/e7edfb17e4be42c4876f3d5cf5e4da99/FLAG45c6c01d3 [2018-11-10 10:30:19,693 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/data/99ca0e3fa/e7edfb17e4be42c4876f3d5cf5e4da99 [2018-11-10 10:30:19,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:30:19,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:30:19,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:30:19,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:30:19,698 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:30:19,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11661478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19, skipping insertion in model container [2018-11-10 10:30:19,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:30:19,717 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:30:19,812 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:30:19,814 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:30:19,824 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:30:19,832 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:30:19,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19 WrapperNode [2018-11-10 10:30:19,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:30:19,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:30:19,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:30:19,833 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:30:19,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:30:19,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:30:19,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:30:19,853 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:30:19,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... [2018-11-10 10:30:19,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:30:19,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:30:19,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:30:19,867 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:30:19,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:30:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-10 10:30:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:30:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:30:20,126 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:30:20,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:30:20 BoogieIcfgContainer [2018-11-10 10:30:20,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:30:20,127 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:30:20,127 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:30:20,135 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:30:20,135 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:30:20" (1/1) ... [2018-11-10 10:30:20,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:30:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:20,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 10:30:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 10:30:20,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 10:30:20,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:20,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 10:30:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 10:30:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 10:30:20,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-10 10:30:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-10 10:30:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 10:30:20,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-10 10:30:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-10 10:30:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 10:30:20,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-11-10 10:30:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-11-10 10:30:20,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 10:30:20,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:30:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:30:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:30:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:30:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-11-10 10:30:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-11-10 10:30:20,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:30:20,730 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-10 10:30:20,736 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 10:30:20,769 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:30:20,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:30:20 ImpRootNode [2018-11-10 10:30:20,771 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:30:20,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:30:20,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:30:20,772 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:30:20,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:30:20" (3/4) ... [2018-11-10 10:30:20,774 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:30:20,782 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-10 10:30:20,783 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 10:30:20,783 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 10:30:20,818 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c10d7d8b-8065-4444-b29f-9a36eaa7d5a9/bin-2019/ukojak/witness.graphml [2018-11-10 10:30:20,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:30:20,819 INFO L168 Benchmark]: Toolchain (without parser) took 1123.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 960.2 MB in the beginning and 1.0 GB in the end (delta: -66.0 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:30:20,820 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:30:20,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.44 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:30:20,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.13 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:30:20,821 INFO L168 Benchmark]: Boogie Preprocessor took 13.55 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:30:20,821 INFO L168 Benchmark]: RCFGBuilder took 259.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:30:20,821 INFO L168 Benchmark]: CodeCheck took 644.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:30:20,821 INFO L168 Benchmark]: Witness Printer took 46.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:30:20,823 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 24 locations, 4 error locations. SAFE Result, 0.5s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 132 SDslu, 0 SDs, 0 SdLazy, 496 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 134 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.44 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.13 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.55 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 259.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * CodeCheck took 644.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. * Witness Printer took 46.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...