./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/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 ee88e8123d344a14970849fa456c02e35e9325dc ......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:27:49,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:27:49,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:27:50,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:27:50,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:27:50,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:27:50,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:27:50,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:27:50,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:27:50,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:27:50,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:27:50,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:27:50,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:27:50,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:27:50,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:27:50,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:27:50,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:27:50,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:27:50,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:27:50,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:27:50,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:27:50,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:27:50,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:27:50,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:27:50,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:27:50,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:27:50,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:27:50,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:27:50,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:27:50,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:27:50,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:27:50,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:27:50,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:27:50,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:27:50,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:27:50,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:27:50,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:27:50,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:27:50,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:27:50,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:27:50,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:27:50,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 17:27:50,181 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:27:50,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:27:50,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:27:50,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:27:50,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:27:50,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:27:50,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:27:50,190 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:27:50,190 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:27:50,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:27:50,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:27:50,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:27:50,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:27:50,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:27:50,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:27:50,193 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 17:27:50,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:27:50,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:27:50,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:27:50,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:27:50,194 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:27:50,195 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:27:50,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:27:50,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:27:50,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:27:50,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:27:50,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:27:50,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:27:50,196 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:27:50,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:27:50,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:27:50,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee88e8123d344a14970849fa456c02e35e9325dc [2020-12-01 17:27:50,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:27:50,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:27:50,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:27:50,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:27:50,577 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:27:50,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/../../sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2020-12-01 17:27:50,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/data/44cf4ed0f/3d965d29bb5e406084e3100333e5c86d/FLAG2df37e171 [2020-12-01 17:27:51,242 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:27:51,243 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/sv-benchmarks/c/loop-zilu/benchmark43_conjunctive.i [2020-12-01 17:27:51,251 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/data/44cf4ed0f/3d965d29bb5e406084e3100333e5c86d/FLAG2df37e171 [2020-12-01 17:27:51,598 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/data/44cf4ed0f/3d965d29bb5e406084e3100333e5c86d [2020-12-01 17:27:51,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:27:51,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:27:51,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:27:51,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:27:51,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:27:51,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1041a76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51, skipping insertion in model container [2020-12-01 17:27:51,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:27:51,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:27:51,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:27:51,873 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:27:51,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:27:51,906 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:27:51,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51 WrapperNode [2020-12-01 17:27:51,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:27:51,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:27:51,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:27:51,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:27:51,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:27:51,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:27:51,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:27:51,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:27:51,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... [2020-12-01 17:27:51,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:27:51,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:27:51,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:27:51,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:27:51,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/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 [2020-12-01 17:27:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:27:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:27:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:27:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:27:52,392 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:27:52,392 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:27:52,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:27:52 BoogieIcfgContainer [2020-12-01 17:27:52,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:27:52,396 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:27:52,396 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:27:52,407 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:27:52,407 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:27:52" (1/1) ... [2020-12-01 17:27:52,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:27:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2020-12-01 17:27:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2020-12-01 17:27:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:27:52,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:52,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:52,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2020-12-01 17:27:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-12-01 17:27:52,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:27:52,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2020-12-01 17:27:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2020-12-01 17:27:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:27:52,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2020-12-01 17:27:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2020-12-01 17:27:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:27:53,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2020-12-01 17:27:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2020-12-01 17:27:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:27:53,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:54,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2020-12-01 17:27:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-12-01 17:27:54,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:27:54,072 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 17:27:54,079 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2020-12-01 17:27:54,149 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2020-12-01 17:27:54,161 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:54,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:27:54 ImpRootNode [2020-12-01 17:27:54,162 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:27:54,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:27:54,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:27:54,163 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:27:54,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:27:52" (3/4) ... [2020-12-01 17:27:54,168 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:27:54,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-01 17:27:54,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 17:27:54,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:27:54,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:27:54,251 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1e5d76c-beb6-456b-bf64-44ca7ea3f6a1/bin/ukojak/witness.graphml [2020-12-01 17:27:54,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:27:54,260 INFO L168 Benchmark]: Toolchain (without parser) took 2656.97 ms. Allocated memory was 96.5 MB in the beginning and 140.5 MB in the end (delta: 44.0 MB). Free memory was 62.4 MB in the beginning and 95.8 MB in the end (delta: -33.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:54,261 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 69.9 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:27:54,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.65 ms. Allocated memory is still 96.5 MB. Free memory was 62.2 MB in the beginning and 73.9 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:54,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.49 ms. Allocated memory is still 96.5 MB. Free memory was 73.5 MB in the beginning and 72.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:54,268 INFO L168 Benchmark]: Boogie Preprocessor took 24.68 ms. Allocated memory is still 96.5 MB. Free memory was 72.2 MB in the beginning and 71.3 MB in the end (delta: 874.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:27:54,269 INFO L168 Benchmark]: RCFGBuilder took 423.61 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 55.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:54,270 INFO L168 Benchmark]: CodeCheck took 1766.48 ms. Allocated memory was 96.5 MB in the beginning and 140.5 MB in the end (delta: 44.0 MB). Free memory was 55.0 MB in the beginning and 98.6 MB in the end (delta: -43.7 MB). Peak memory consumption was 1.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:54,271 INFO L168 Benchmark]: Witness Printer took 95.05 ms. Allocated memory is still 140.5 MB. Free memory was 98.6 MB in the beginning and 95.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:54,279 INFO L339 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, 13 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 192 SDslu, 64 SDs, 0 SdLazy, 808 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 223 SyntacticMatches, 8 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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: 23]: Loop Invariant Derived loop invariant: 99 < x || (0 <= y + 2147483648 && 0 <= x + 2147483648) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 69.9 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 302.65 ms. Allocated memory is still 96.5 MB. Free memory was 62.2 MB in the beginning and 73.9 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.49 ms. Allocated memory is still 96.5 MB. Free memory was 73.5 MB in the beginning and 72.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.68 ms. Allocated memory is still 96.5 MB. Free memory was 72.2 MB in the beginning and 71.3 MB in the end (delta: 874.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 423.61 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 55.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 1766.48 ms. Allocated memory was 96.5 MB in the beginning and 140.5 MB in the end (delta: 44.0 MB). Free memory was 55.0 MB in the beginning and 98.6 MB in the end (delta: -43.7 MB). Peak memory consumption was 1.9 MB. Max. memory is 16.1 GB. * Witness Printer took 95.05 ms. Allocated memory is still 140.5 MB. Free memory was 98.6 MB in the beginning and 95.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...