./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/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 64bit --witnessprinter.graph.data.programhash 4f5dfa3dfde4da491a923b915452cddcc4ed5c87 ............................................................................................................................................................................................................................................................................ 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 13:18:24,093 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:18:24,094 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:18:24,100 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:18:24,100 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:18:24,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:18:24,102 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:18:24,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:18:24,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:18:24,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:18:24,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:18:24,106 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:18:24,106 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:18:24,107 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:18:24,108 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:18:24,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:18:24,109 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:18:24,110 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:18:24,111 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:18:24,112 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:18:24,112 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:18:24,113 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:18:24,115 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:18:24,115 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:18:24,115 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:18:24,116 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:18:24,116 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:18:24,117 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:18:24,117 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:18:24,118 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:18:24,118 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:18:24,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:18:24,119 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:18:24,119 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:18:24,119 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:18:24,120 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:18:24,120 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 13:18:24,129 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:18:24,130 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:18:24,130 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:18:24,130 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:18:24,131 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:18:24,131 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:18:24,131 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:18:24,131 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 13:18:24,131 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:18:24,131 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:18:24,132 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:18:24,132 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:18:24,132 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:18:24,132 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 13:18:24,132 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:18:24,132 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:18:24,132 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 13:18:24,133 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 13:18:24,133 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:18:24,133 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:18:24,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 13:18:24,133 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:18:24,133 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:18:24,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:18:24,133 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 13:18:24,133 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:18:24,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:18:24,134 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_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5dfa3dfde4da491a923b915452cddcc4ed5c87 [2018-11-10 13:18:24,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:18:24,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:18:24,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:18:24,171 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:18:24,171 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:18:24,172 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2_true-termination_true-no-overflow.c [2018-11-10 13:18:24,219 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/data/fe0c56581/296031fe97c04892bb43fb208ab553f9/FLAG29cf9ffb3 [2018-11-10 13:18:24,542 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:18:24,542 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2_true-termination_true-no-overflow.c [2018-11-10 13:18:24,546 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/data/fe0c56581/296031fe97c04892bb43fb208ab553f9/FLAG29cf9ffb3 [2018-11-10 13:18:24,554 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/data/fe0c56581/296031fe97c04892bb43fb208ab553f9 [2018-11-10 13:18:24,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:18:24,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:18:24,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:18:24,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:18:24,561 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:18:24,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24, skipping insertion in model container [2018-11-10 13:18:24,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:18:24,586 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:18:24,689 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:18:24,691 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:18:24,700 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:18:24,708 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:18:24,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24 WrapperNode [2018-11-10 13:18:24,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:18:24,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:18:24,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:18:24,709 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:18:24,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:18:24,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:18:24,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:18:24,727 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:18:24,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:18:24,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:18:24,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:18:24,738 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:18:24,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/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 13:18:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:18:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:18:24,913 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:18:24,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:18:24 BoogieIcfgContainer [2018-11-10 13:18:24,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:18:24,914 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 13:18:24,914 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 13:18:24,923 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 13:18:24,923 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:18:24" (1/1) ... [2018-11-10 13:18:24,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:18:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-10 13:18:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-10 13:18:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 13:18:24,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:25,026 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 13:18:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-10 13:18:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-10 13:18:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 13:18:25,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:25,063 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 13:18:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-10 13:18:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-10 13:18:25,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 13:18:25,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:25,122 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 13:18:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2018-11-10 13:18:25,235 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2018-11-10 13:18:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 13:18:25,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:25,262 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 13:18:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:25,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-11-10 13:18:25,393 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-11-10 13:18:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 13:18:25,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:25,426 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 13:18:25,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-10 13:18:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-10 13:18:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 13:18:25,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 13:18:25,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2018-11-10 13:18:25,710 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2018-11-10 13:18:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 13:18:25,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 13:18:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2018-11-10 13:18:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2018-11-10 13:18:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 13:18:25,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 13:18:25,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2018-11-10 13:18:25,941 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2018-11-10 13:18:25,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 13:18:25,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 13:18:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:26,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-11-10 13:18:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-11-10 13:18:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 13:18:26,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 13:18:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 13:18:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 13:18:26,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:18:26,153 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 13:18:26,160 INFO L778 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-10 13:18:26,206 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-11-10 13:18:26,212 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:18:26,212 INFO L582 CodeCheckObserver]: Invariant with dag size 5 [2018-11-10 13:18:26,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:18:26 ImpRootNode [2018-11-10 13:18:26,213 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 13:18:26,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:18:26,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:18:26,214 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:18:26,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:18:24" (3/4) ... [2018-11-10 13:18:26,217 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:18:26,225 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 13:18:26,225 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 13:18:26,225 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 13:18:26,254 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f7417cd-fdeb-4bb3-97b5-c4170deb3fdd/bin-2019/ukojak/witness.graphml [2018-11-10 13:18:26,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:18:26,255 INFO L168 Benchmark]: Toolchain (without parser) took 1698.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 953.8 MB in the beginning and 935.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 172.3 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:26,256 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:18:26,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.65 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:26,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:18:26,257 INFO L168 Benchmark]: Boogie Preprocessor took 10.00 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 939.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:26,258 INFO L168 Benchmark]: RCFGBuilder took 176.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:26,258 INFO L168 Benchmark]: CodeCheck took 1299.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.4 MB in the end (delta: 201.3 MB). Peak memory consumption was 201.3 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:26,259 INFO L168 Benchmark]: Witness Printer took 41.29 ms. Allocated memory is still 1.2 GB. Free memory was 938.4 MB in the beginning and 935.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:26,261 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, 18 locations, 4 error locations. SAFE Result, 1.2s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6400 SDtfs, 5138 SDslu, 4128 SDs, 0 SdLazy, 13834 SolverSat, 2696 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 723 GetRequests, 635 SyntacticMatches, 34 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1141 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 2631 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 23/23 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 19]: Loop Invariant Derived loop invariant: (0 <= i + 2147483648 && 0 <= j) && i <= 4 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.65 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.00 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 939.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 176.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 1299.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 938.4 MB in the end (delta: 201.3 MB). Peak memory consumption was 201.3 MB. Max. memory is 11.5 GB. * Witness Printer took 41.29 ms. Allocated memory is still 1.2 GB. Free memory was 938.4 MB in the beginning and 935.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...