./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 409f93cc3fb27e0335e986593862ddeb482b815c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:10:29,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:10:29,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:10:29,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:10:29,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:10:29,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:10:29,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:10:29,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:10:29,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:10:29,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:10:29,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:10:29,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:10:29,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:10:29,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:10:29,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:10:29,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:10:29,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:10:29,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:10:29,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:10:29,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:10:29,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:10:29,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:10:29,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:10:29,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:10:29,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:10:29,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:10:29,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:10:29,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:10:29,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:10:29,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:10:29,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:10:29,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:10:29,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:10:29,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:10:29,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:10:29,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:10:29,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:10:29,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:10:29,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:10:29,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:10:29,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:10:29,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-28 03:10:29,788 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:10:29,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:10:29,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:10:29,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:10:29,790 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:10:29,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:10:29,791 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:10:29,791 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:10:29,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:10:29,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:10:29,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:10:29,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:10:29,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:10:29,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:10:29,793 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 03:10:29,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:10:29,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:10:29,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:10:29,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:10:29,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:10:29,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:10:29,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:10:29,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:10:29,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:10:29,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:10:29,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:10:29,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:10:29,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:10:29,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:10:29,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:10:29,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:10:29,798 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_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 409f93cc3fb27e0335e986593862ddeb482b815c [2020-11-28 03:10:30,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:10:30,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:10:30,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:10:30,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:10:30,180 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:10:30,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/../../sv-benchmarks/c/bitvector/byte_add-1.i [2020-11-28 03:10:30,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/data/bfe6fb093/6eaf4379542545d9889ba6f97970312c/FLAG111145d50 [2020-11-28 03:10:30,845 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:10:30,845 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/sv-benchmarks/c/bitvector/byte_add-1.i [2020-11-28 03:10:30,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/data/bfe6fb093/6eaf4379542545d9889ba6f97970312c/FLAG111145d50 [2020-11-28 03:10:31,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/data/bfe6fb093/6eaf4379542545d9889ba6f97970312c [2020-11-28 03:10:31,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:10:31,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:10:31,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:31,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:10:31,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:10:31,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0d2da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31, skipping insertion in model container [2020-11-28 03:10:31,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:10:31,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:10:31,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:31,582 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:10:31,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:31,648 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:10:31,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31 WrapperNode [2020-11-28 03:10:31,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:31,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:31,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:10:31,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:10:31,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:31,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:10:31,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:10:31,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:10:31,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:10:31,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:10:31,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:10:31,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:10:31,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:10:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:10:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:10:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:10:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:10:32,565 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:10:32,565 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-28 03:10:32,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:32 BoogieIcfgContainer [2020-11-28 03:10:32,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:10:32,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:10:32,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:10:32,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:10:32,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:10:31" (1/3) ... [2020-11-28 03:10:32,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be46cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:32, skipping insertion in model container [2020-11-28 03:10:32,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (2/3) ... [2020-11-28 03:10:32,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be46cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:32, skipping insertion in model container [2020-11-28 03:10:32,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:32" (3/3) ... [2020-11-28 03:10:32,584 INFO L111 eAbstractionObserver]: Analyzing ICFG byte_add-1.i [2020-11-28 03:10:32,595 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:10:32,600 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-11-28 03:10:32,612 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-11-28 03:10:32,663 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:10:32,663 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:10:32,664 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:10:32,669 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:10:32,669 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:10:32,669 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:10:32,669 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:10:32,669 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:10:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-28 03:10:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 03:10:32,704 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:32,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 03:10:32,706 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:10:32,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:32,727 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-11-28 03:10:32,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:32,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677660255] [2020-11-28 03:10:32,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:32,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677660255] [2020-11-28 03:10:32,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:32,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 03:10:32,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673685335] [2020-11-28 03:10:32,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:10:32,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:32,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:10:32,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:10:32,956 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-28 03:10:32,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:32,990 INFO L93 Difference]: Finished difference Result 131 states and 174 transitions. [2020-11-28 03:10:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:10:32,991 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-11-28 03:10:32,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:32,998 INFO L225 Difference]: With dead ends: 131 [2020-11-28 03:10:32,998 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:10:33,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:10:33,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:10:33,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:10:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:10:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:10:33,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-11-28 03:10:33,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:33,030 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:10:33,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:10:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:10:33,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:10:33,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:10:33,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:10:33,057 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2020-11-28 03:10:33,057 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 105) no Hoare annotation was computed. [2020-11-28 03:10:33,057 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-28 03:10:33,057 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-28 03:10:33,057 INFO L274 CegarLoopResult]: For program point L85-1(line 85) no Hoare annotation was computed. [2020-11-28 03:10:33,058 INFO L274 CegarLoopResult]: For program point L52-1(line 52) no Hoare annotation was computed. [2020-11-28 03:10:33,058 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2020-11-28 03:10:33,058 INFO L274 CegarLoopResult]: For program point L102-1(lines 99 106) no Hoare annotation was computed. [2020-11-28 03:10:33,058 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:10:33,058 INFO L274 CegarLoopResult]: For program point L53(lines 53 58) no Hoare annotation was computed. [2020-11-28 03:10:33,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2020-11-28 03:10:33,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2020-11-28 03:10:33,059 INFO L274 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-11-28 03:10:33,059 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-28 03:10:33,059 INFO L274 CegarLoopResult]: For program point L87-1(lines 72 97) no Hoare annotation was computed. [2020-11-28 03:10:33,059 INFO L274 CegarLoopResult]: For program point L54-1(line 54) no Hoare annotation was computed. [2020-11-28 03:10:33,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2020-11-28 03:10:33,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2020-11-28 03:10:33,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2020-11-28 03:10:33,060 INFO L274 CegarLoopResult]: For program point L55(lines 55 57) no Hoare annotation was computed. [2020-11-28 03:10:33,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2020-11-28 03:10:33,060 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-11-28 03:10:33,061 INFO L277 CegarLoopResult]: At program point L72-2(lines 72 97) the Hoare annotation is: true [2020-11-28 03:10:33,061 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2020-11-28 03:10:33,061 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:10:33,062 INFO L274 CegarLoopResult]: For program point L56-1(line 56) no Hoare annotation was computed. [2020-11-28 03:10:33,062 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 96) no Hoare annotation was computed. [2020-11-28 03:10:33,062 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2020-11-28 03:10:33,063 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:10:33,063 INFO L274 CegarLoopResult]: For program point L91-1(lines 72 97) no Hoare annotation was computed. [2020-11-28 03:10:33,063 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 96) no Hoare annotation was computed. [2020-11-28 03:10:33,063 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2020-11-28 03:10:33,064 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-11-28 03:10:33,064 INFO L274 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-11-28 03:10:33,065 INFO L274 CegarLoopResult]: For program point L108-1(line 108) no Hoare annotation was computed. [2020-11-28 03:10:33,065 INFO L274 CegarLoopResult]: For program point L75-1(lines 72 97) no Hoare annotation was computed. [2020-11-28 03:10:33,065 INFO L274 CegarLoopResult]: For program point L108-2(line 108) no Hoare annotation was computed. [2020-11-28 03:10:33,065 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 83) no Hoare annotation was computed. [2020-11-28 03:10:33,065 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2020-11-28 03:10:33,066 INFO L277 CegarLoopResult]: At program point L125(lines 114 126) the Hoare annotation is: true [2020-11-28 03:10:33,066 INFO L274 CegarLoopResult]: For program point L92-1(lines 72 97) no Hoare annotation was computed. [2020-11-28 03:10:33,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2020-11-28 03:10:33,067 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-28 03:10:33,067 INFO L274 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-11-28 03:10:33,067 INFO L274 CegarLoopResult]: For program point L76-2(line 76) no Hoare annotation was computed. [2020-11-28 03:10:33,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2020-11-28 03:10:33,068 INFO L274 CegarLoopResult]: For program point L76-4(lines 75 80) no Hoare annotation was computed. [2020-11-28 03:10:33,068 INFO L274 CegarLoopResult]: For program point L93-1(lines 72 97) no Hoare annotation was computed. [2020-11-28 03:10:33,068 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 83) no Hoare annotation was computed. [2020-11-28 03:10:33,068 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2020-11-28 03:10:33,068 INFO L277 CegarLoopResult]: At program point L110(lines 32 111) the Hoare annotation is: true [2020-11-28 03:10:33,068 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:10:33,069 INFO L274 CegarLoopResult]: For program point L77-1(line 77) no Hoare annotation was computed. [2020-11-28 03:10:33,070 INFO L274 CegarLoopResult]: For program point L77-3(lines 75 80) no Hoare annotation was computed. [2020-11-28 03:10:33,072 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2020-11-28 03:10:33,073 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2020-11-28 03:10:33,073 INFO L274 CegarLoopResult]: For program point L61(lines 61 69) no Hoare annotation was computed. [2020-11-28 03:10:33,073 INFO L274 CegarLoopResult]: For program point L94-1(line 94) no Hoare annotation was computed. [2020-11-28 03:10:33,073 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:10:33,074 INFO L274 CegarLoopResult]: For program point L61-1(lines 61 69) no Hoare annotation was computed. [2020-11-28 03:10:33,074 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-11-28 03:10:33,074 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-28 03:10:33,075 INFO L274 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-11-28 03:10:33,075 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:10:33,076 INFO L274 CegarLoopResult]: For program point L78-3(lines 75 80) no Hoare annotation was computed. [2020-11-28 03:10:33,076 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-28 03:10:33,079 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2020-11-28 03:10:33,080 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:10:33,080 INFO L274 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-11-28 03:10:33,080 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2020-11-28 03:10:33,080 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-28 03:10:33,080 INFO L274 CegarLoopResult]: For program point L79-1(line 79) no Hoare annotation was computed. [2020-11-28 03:10:33,080 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-11-28 03:10:33,081 INFO L274 CegarLoopResult]: For program point L63(lines 63 68) no Hoare annotation was computed. [2020-11-28 03:10:33,081 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2020-11-28 03:10:33,081 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2020-11-28 03:10:33,081 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-28 03:10:33,081 INFO L274 CegarLoopResult]: For program point L64-1(line 64) no Hoare annotation was computed. [2020-11-28 03:10:33,081 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2020-11-28 03:10:33,081 INFO L274 CegarLoopResult]: For program point L81(lines 72 97) no Hoare annotation was computed. [2020-11-28 03:10:33,082 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2020-11-28 03:10:33,082 INFO L274 CegarLoopResult]: For program point L65(lines 65 67) no Hoare annotation was computed. [2020-11-28 03:10:33,082 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:10:33,082 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2020-11-28 03:10:33,082 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2020-11-28 03:10:33,082 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-28 03:10:33,082 INFO L274 CegarLoopResult]: For program point L82-1(line 82) no Hoare annotation was computed. [2020-11-28 03:10:33,083 INFO L274 CegarLoopResult]: For program point L82-2(line 82) no Hoare annotation was computed. [2020-11-28 03:10:33,083 INFO L274 CegarLoopResult]: For program point L16(lines 16 18) no Hoare annotation was computed. [2020-11-28 03:10:33,083 INFO L274 CegarLoopResult]: For program point L82-4(lines 81 86) no Hoare annotation was computed. [2020-11-28 03:10:33,083 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2020-11-28 03:10:33,083 INFO L277 CegarLoopResult]: At program point L16-2(lines 15 20) the Hoare annotation is: true [2020-11-28 03:10:33,083 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-11-28 03:10:33,083 INFO L274 CegarLoopResult]: For program point L99-1(lines 33 111) no Hoare annotation was computed. [2020-11-28 03:10:33,084 INFO L274 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-11-28 03:10:33,084 INFO L274 CegarLoopResult]: For program point L99-2(lines 99 106) no Hoare annotation was computed. [2020-11-28 03:10:33,084 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2020-11-28 03:10:33,084 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2020-11-28 03:10:33,084 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:10:33,084 INFO L274 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-11-28 03:10:33,084 INFO L274 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-11-28 03:10:33,085 INFO L274 CegarLoopResult]: For program point L83-3(lines 81 86) no Hoare annotation was computed. [2020-11-28 03:10:33,085 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-28 03:10:33,085 INFO L274 CegarLoopResult]: For program point L100-2(lines 99 106) no Hoare annotation was computed. [2020-11-28 03:10:33,085 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 105) no Hoare annotation was computed. [2020-11-28 03:10:33,085 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-28 03:10:33,085 INFO L274 CegarLoopResult]: For program point L51(lines 51 59) no Hoare annotation was computed. [2020-11-28 03:10:33,085 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-11-28 03:10:33,086 INFO L274 CegarLoopResult]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2020-11-28 03:10:33,086 INFO L274 CegarLoopResult]: For program point L84-3(lines 81 86) no Hoare annotation was computed. [2020-11-28 03:10:33,086 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2020-11-28 03:10:33,086 INFO L274 CegarLoopResult]: For program point L101-1(lines 99 106) no Hoare annotation was computed. [2020-11-28 03:10:33,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:10:33 BoogieIcfgContainer [2020-11-28 03:10:33,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:10:33,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:10:33,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:10:33,107 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:10:33,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:32" (3/4) ... [2020-11-28 03:10:33,111 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:10:33,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:10:33,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:10:33,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:10:33,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:10:33,233 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_769fd3d1-f317-40cf-b78c-ecee2915aedd/bin/uautomizer/witness.graphml [2020-11-28 03:10:33,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:10:33,236 INFO L168 Benchmark]: Toolchain (without parser) took 2010.86 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 62.1 MB in the beginning and 73.4 MB in the end (delta: -11.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:33,237 INFO L168 Benchmark]: CDTParser took 1.28 ms. Allocated memory is still 73.4 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 36.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:10:33,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.40 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 69.2 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:33,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.20 ms. Allocated memory is still 94.4 MB. Free memory was 69.2 MB in the beginning and 67.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:33,239 INFO L168 Benchmark]: Boogie Preprocessor took 63.13 ms. Allocated memory is still 94.4 MB. Free memory was 67.5 MB in the beginning and 65.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:10:33,241 INFO L168 Benchmark]: RCFGBuilder took 781.92 ms. Allocated memory is still 94.4 MB. Free memory was 65.8 MB in the beginning and 39.8 MB in the end (delta: 26.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:33,242 INFO L168 Benchmark]: TraceAbstraction took 531.78 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 39.4 MB in the beginning and 78.3 MB in the end (delta: -38.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:10:33,242 INFO L168 Benchmark]: Witness Printer took 126.40 ms. Allocated memory is still 115.3 MB. Free memory was 78.3 MB in the beginning and 73.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:33,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 ms. Allocated memory is still 73.4 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 36.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 421.40 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 69.2 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.20 ms. Allocated memory is still 94.4 MB. Free memory was 69.2 MB in the beginning and 67.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.13 ms. Allocated memory is still 94.4 MB. Free memory was 67.5 MB in the beginning and 65.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 781.92 ms. Allocated memory is still 94.4 MB. Free memory was 65.8 MB in the beginning and 39.8 MB in the end (delta: 26.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 531.78 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 39.4 MB in the beginning and 78.3 MB in the end (delta: -38.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 126.40 ms. Allocated memory is still 115.3 MB. Free memory was 78.3 MB in the beginning and 73.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 101 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...