./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/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 64bit --witnessprinter.graph.data.programhash 4c761fb15c9d367876fc9f1553874e9680fa1668 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:57:50,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:50,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:50,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:50,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:50,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:50,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:50,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:50,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:50,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:50,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:50,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:50,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:50,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:50,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:50,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:50,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:50,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:50,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:50,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:50,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:50,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:50,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:50,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:50,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:50,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:50,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:50,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:50,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:50,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:50,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:50,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:50,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:50,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:50,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:50,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:50,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:50,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:50,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:50,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:50,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:50,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-28 02:57:50,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:50,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:50,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:50,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:50,916 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:50,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:50,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:57:50,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:57:50,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:50,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:57:50,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:57:50,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:57:50,927 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 02:57:50,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:50,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:50,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:57:50,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:50,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:50,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:57:50,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:57:50,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:50,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:50,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:57:50,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:57:50,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:57:50,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:57:50,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:57:50,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:50,930 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_b71ed7e0-a333-4588-bb43-f22cd9d402e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c761fb15c9d367876fc9f1553874e9680fa1668 [2020-11-28 02:57:51,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:51,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:51,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:51,271 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:51,272 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:51,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-11-28 02:57:51,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/data/f38284807/bd3cc7f6b7b44a60a7c97cdbdecc2d96/FLAG32e13b78b [2020-11-28 02:57:51,901 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:51,902 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-11-28 02:57:51,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/data/f38284807/bd3cc7f6b7b44a60a7c97cdbdecc2d96/FLAG32e13b78b [2020-11-28 02:57:52,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/data/f38284807/bd3cc7f6b7b44a60a7c97cdbdecc2d96 [2020-11-28 02:57:52,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:52,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:52,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:52,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:52,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:52,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8630f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52, skipping insertion in model container [2020-11-28 02:57:52,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:52,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:52,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:52,477 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:57:52,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:52,513 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:57:52,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52 WrapperNode [2020-11-28 02:57:52,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:52,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:52,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:57:52,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:57:52,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:52,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:57:52,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:57:52,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:57:52,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... [2020-11-28 02:57:52,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:57:52,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:57:52,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:57:52,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:57:52,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/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 02:57:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:57:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:57:52,912 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:57:52,912 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 02:57:52,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:52 BoogieIcfgContainer [2020-11-28 02:57:52,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:57:52,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:57:52,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:57:52,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:57:52,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:52" (1/3) ... [2020-11-28 02:57:52,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531bb669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:52, skipping insertion in model container [2020-11-28 02:57:52,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:52" (2/3) ... [2020-11-28 02:57:52,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531bb669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:52, skipping insertion in model container [2020-11-28 02:57:52,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:52" (3/3) ... [2020-11-28 02:57:52,934 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-11-28 02:57:52,947 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:57:52,953 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-28 02:57:52,967 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-28 02:57:52,997 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:57:52,997 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:57:52,998 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:57:52,998 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:57:52,998 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:57:52,998 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:57:52,999 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:57:52,999 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:57:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-11-28 02:57:53,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 02:57:53,022 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:53,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-28 02:57:53,024 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:53,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:53,031 INFO L82 PathProgramCache]: Analyzing trace with hash 30885, now seen corresponding path program 1 times [2020-11-28 02:57:53,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:53,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760652602] [2020-11-28 02:57:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:53,272 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 02:57:53,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760652602] [2020-11-28 02:57:53,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:53,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:53,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437720764] [2020-11-28 02:57:53,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:57:53,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:53,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:57:53,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:53,307 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 4 states. [2020-11-28 02:57:53,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:53,474 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2020-11-28 02:57:53,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:57:53,476 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2020-11-28 02:57:53,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:53,493 INFO L225 Difference]: With dead ends: 53 [2020-11-28 02:57:53,493 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 02:57:53,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:53,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 02:57:53,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 21. [2020-11-28 02:57:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-28 02:57:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2020-11-28 02:57:53,530 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 3 [2020-11-28 02:57:53,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:53,530 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2020-11-28 02:57:53,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:57:53,531 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-11-28 02:57:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 02:57:53,531 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:53,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 02:57:53,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:57:53,532 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:53,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:53,533 INFO L82 PathProgramCache]: Analyzing trace with hash 957477, now seen corresponding path program 1 times [2020-11-28 02:57:53,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:53,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986512768] [2020-11-28 02:57:53,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:53,600 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 02:57:53,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986512768] [2020-11-28 02:57:53,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:53,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:53,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598654529] [2020-11-28 02:57:53,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:57:53,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:53,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:57:53,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:53,604 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 4 states. [2020-11-28 02:57:53,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:53,760 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2020-11-28 02:57:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:57:53,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-11-28 02:57:53,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:53,763 INFO L225 Difference]: With dead ends: 47 [2020-11-28 02:57:53,763 INFO L226 Difference]: Without dead ends: 45 [2020-11-28 02:57:53,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:53,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-28 02:57:53,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 30. [2020-11-28 02:57:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-28 02:57:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-11-28 02:57:53,778 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 4 [2020-11-28 02:57:53,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:53,778 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-11-28 02:57:53,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:57:53,779 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-11-28 02:57:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 02:57:53,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:53,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:53,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:57:53,780 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:53,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:53,781 INFO L82 PathProgramCache]: Analyzing trace with hash -511748973, now seen corresponding path program 1 times [2020-11-28 02:57:53,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:53,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950378649] [2020-11-28 02:57:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:53,873 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 02:57:53,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950378649] [2020-11-28 02:57:53,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:53,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:53,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264772772] [2020-11-28 02:57:53,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:53,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:53,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:53,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:53,876 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-11-28 02:57:54,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:54,027 INFO L93 Difference]: Finished difference Result 79 states and 101 transitions. [2020-11-28 02:57:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:57:54,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-11-28 02:57:54,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:54,030 INFO L225 Difference]: With dead ends: 79 [2020-11-28 02:57:54,030 INFO L226 Difference]: Without dead ends: 78 [2020-11-28 02:57:54,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:54,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-11-28 02:57:54,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 65. [2020-11-28 02:57:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-28 02:57:54,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-11-28 02:57:54,044 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 8 [2020-11-28 02:57:54,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:54,045 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-11-28 02:57:54,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:54,045 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-11-28 02:57:54,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 02:57:54,046 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:54,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:54,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:57:54,047 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:54,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:54,048 INFO L82 PathProgramCache]: Analyzing trace with hash -511749165, now seen corresponding path program 1 times [2020-11-28 02:57:54,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:54,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573765607] [2020-11-28 02:57:54,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:54,092 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 02:57:54,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573765607] [2020-11-28 02:57:54,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:54,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:54,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18970272] [2020-11-28 02:57:54,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:57:54,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:54,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:57:54,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:54,095 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 4 states. [2020-11-28 02:57:54,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:54,160 INFO L93 Difference]: Finished difference Result 96 states and 130 transitions. [2020-11-28 02:57:54,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:57:54,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-28 02:57:54,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:54,163 INFO L225 Difference]: With dead ends: 96 [2020-11-28 02:57:54,163 INFO L226 Difference]: Without dead ends: 51 [2020-11-28 02:57:54,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:54,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-28 02:57:54,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2020-11-28 02:57:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-28 02:57:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2020-11-28 02:57:54,178 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 8 [2020-11-28 02:57:54,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:54,179 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2020-11-28 02:57:54,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:57:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2020-11-28 02:57:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 02:57:54,180 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:54,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:54,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:57:54,182 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:54,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:54,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1315651091, now seen corresponding path program 1 times [2020-11-28 02:57:54,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:54,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970174930] [2020-11-28 02:57:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:54,232 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 02:57:54,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970174930] [2020-11-28 02:57:54,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:54,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:54,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088627970] [2020-11-28 02:57:54,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:54,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:54,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:54,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:54,234 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand 3 states. [2020-11-28 02:57:54,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:54,269 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2020-11-28 02:57:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:54,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-28 02:57:54,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:54,272 INFO L225 Difference]: With dead ends: 42 [2020-11-28 02:57:54,272 INFO L226 Difference]: Without dead ends: 41 [2020-11-28 02:57:54,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:54,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-28 02:57:54,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-11-28 02:57:54,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-28 02:57:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-11-28 02:57:54,290 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2020-11-28 02:57:54,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:54,291 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-11-28 02:57:54,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-11-28 02:57:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 02:57:54,292 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:54,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:54,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:57:54,293 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:54,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:54,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2115076497, now seen corresponding path program 1 times [2020-11-28 02:57:54,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:54,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890200281] [2020-11-28 02:57:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:54,342 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 02:57:54,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890200281] [2020-11-28 02:57:54,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:54,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:54,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865126148] [2020-11-28 02:57:54,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:57:54,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:54,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:57:54,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:54,345 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 4 states. [2020-11-28 02:57:54,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:54,407 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2020-11-28 02:57:54,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:57:54,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-28 02:57:54,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:54,410 INFO L225 Difference]: With dead ends: 75 [2020-11-28 02:57:54,411 INFO L226 Difference]: Without dead ends: 40 [2020-11-28 02:57:54,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:54,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-28 02:57:54,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2020-11-28 02:57:54,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 02:57:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2020-11-28 02:57:54,434 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 10 [2020-11-28 02:57:54,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:54,435 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2020-11-28 02:57:54,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:57:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2020-11-28 02:57:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 02:57:54,435 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:54,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:54,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:57:54,436 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:54,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:54,437 INFO L82 PathProgramCache]: Analyzing trace with hash -2115076689, now seen corresponding path program 1 times [2020-11-28 02:57:54,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:54,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649187271] [2020-11-28 02:57:54,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:54,500 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 02:57:54,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649187271] [2020-11-28 02:57:54,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:54,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:54,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540897865] [2020-11-28 02:57:54,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:54,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:54,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:54,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:54,503 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 5 states. [2020-11-28 02:57:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:54,633 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-11-28 02:57:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:57:54,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-28 02:57:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:54,635 INFO L225 Difference]: With dead ends: 54 [2020-11-28 02:57:54,635 INFO L226 Difference]: Without dead ends: 53 [2020-11-28 02:57:54,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:54,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-28 02:57:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-11-28 02:57:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-28 02:57:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2020-11-28 02:57:54,648 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 10 [2020-11-28 02:57:54,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:54,648 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2020-11-28 02:57:54,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2020-11-28 02:57:54,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 02:57:54,650 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:54,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:54,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:57:54,651 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:54,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:54,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1142867855, now seen corresponding path program 1 times [2020-11-28 02:57:54,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:54,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548324753] [2020-11-28 02:57:54,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:54,690 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 02:57:54,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548324753] [2020-11-28 02:57:54,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:54,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:54,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399492176] [2020-11-28 02:57:54,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:54,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:54,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:54,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:54,692 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand 3 states. [2020-11-28 02:57:54,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:54,716 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2020-11-28 02:57:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:54,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-28 02:57:54,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:54,717 INFO L225 Difference]: With dead ends: 44 [2020-11-28 02:57:54,718 INFO L226 Difference]: Without dead ends: 43 [2020-11-28 02:57:54,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:54,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-28 02:57:54,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-28 02:57:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-28 02:57:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2020-11-28 02:57:54,724 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 11 [2020-11-28 02:57:54,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:54,724 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2020-11-28 02:57:54,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2020-11-28 02:57:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 02:57:54,725 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:54,726 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:54,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:57:54,726 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:54,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:54,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1620314709, now seen corresponding path program 1 times [2020-11-28 02:57:54,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:54,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39670162] [2020-11-28 02:57:54,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:54,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39670162] [2020-11-28 02:57:54,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:54,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:54,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518841249] [2020-11-28 02:57:54,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:54,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:54,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:54,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:54,804 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand 5 states. [2020-11-28 02:57:54,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:54,898 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2020-11-28 02:57:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:57:54,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-11-28 02:57:54,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:54,901 INFO L225 Difference]: With dead ends: 56 [2020-11-28 02:57:54,901 INFO L226 Difference]: Without dead ends: 23 [2020-11-28 02:57:54,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:54,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-28 02:57:54,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-28 02:57:54,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-28 02:57:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-11-28 02:57:54,905 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2020-11-28 02:57:54,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:54,905 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-11-28 02:57:54,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:54,905 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-28 02:57:54,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 02:57:54,906 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:54,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:54,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:57:54,906 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:57:54,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:54,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1069165097, now seen corresponding path program 1 times [2020-11-28 02:57:54,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:54,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406831734] [2020-11-28 02:57:54,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:54,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406831734] [2020-11-28 02:57:54,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:54,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:54,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170182136] [2020-11-28 02:57:54,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:54,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:54,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:54,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:54,986 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2020-11-28 02:57:55,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:55,064 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-11-28 02:57:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:57:55,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-11-28 02:57:55,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:55,065 INFO L225 Difference]: With dead ends: 28 [2020-11-28 02:57:55,065 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:57:55,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:55,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:57:55,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:57:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:57:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:57:55,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-11-28 02:57:55,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:55,067 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:55,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:55,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:55,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:57:55,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:57:55,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:57:55,140 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-11-28 02:57:55,140 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:57:55,140 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-11-28 02:57:55,140 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-11-28 02:57:55,140 INFO L274 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-11-28 02:57:55,141 INFO L274 CegarLoopResult]: For program point L17(lines 17 25) no Hoare annotation was computed. [2020-11-28 02:57:55,141 INFO L270 CegarLoopResult]: At program point L19-2(lines 18 24) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 ULTIMATE.start_main_~y~0) (<= 0 ULTIMATE.start_main_~x~0) (<= ULTIMATE.start_main_~y~0 2147483647)) [2020-11-28 02:57:55,141 INFO L274 CegarLoopResult]: For program point L17-1(lines 17 25) no Hoare annotation was computed. [2020-11-28 02:57:55,141 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-11-28 02:57:55,141 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-11-28 02:57:55,141 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2020-11-28 02:57:55,141 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:57:55,142 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-11-28 02:57:55,142 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:57:55,142 INFO L270 CegarLoopResult]: At program point L26(lines 13 27) the Hoare annotation is: (or (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~y~0 2147483647))) [2020-11-28 02:57:55,142 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-28 02:57:55,142 INFO L274 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-11-28 02:57:55,142 INFO L274 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-11-28 02:57:55,142 INFO L274 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-11-28 02:57:55,142 INFO L274 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-11-28 02:57:55,142 INFO L274 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed. [2020-11-28 02:57:55,143 INFO L274 CegarLoopResult]: For program point L18-4(line 18) no Hoare annotation was computed. [2020-11-28 02:57:55,143 INFO L274 CegarLoopResult]: For program point L18-5(line 18) no Hoare annotation was computed. [2020-11-28 02:57:55,143 INFO L274 CegarLoopResult]: For program point L18-6(lines 18 24) no Hoare annotation was computed. [2020-11-28 02:57:55,143 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-11-28 02:57:55,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:55 BoogieIcfgContainer [2020-11-28 02:57:55,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:55,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:55,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:55,160 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:55,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:52" (3/4) ... [2020-11-28 02:57:55,164 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:57:55,176 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 02:57:55,177 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:57:55,229 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b71ed7e0-a333-4588-bb43-f22cd9d402e4/bin/uautomizer/witness.graphml [2020-11-28 02:57:55,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:55,231 INFO L168 Benchmark]: Toolchain (without parser) took 2981.93 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 75.5 MB in the beginning and 71.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:55,232 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 73.4 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:55,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.81 ms. Allocated memory is still 104.9 MB. Free memory was 75.5 MB in the beginning and 83.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:55,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.05 ms. Allocated memory is still 104.9 MB. Free memory was 83.6 MB in the beginning and 82.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:55,235 INFO L168 Benchmark]: Boogie Preprocessor took 23.08 ms. Allocated memory is still 104.9 MB. Free memory was 82.5 MB in the beginning and 81.6 MB in the end (delta: 889.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:55,235 INFO L168 Benchmark]: RCFGBuilder took 324.27 ms. Allocated memory is still 104.9 MB. Free memory was 81.4 MB in the beginning and 70.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:55,236 INFO L168 Benchmark]: TraceAbstraction took 2242.86 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 70.5 MB in the beginning and 73.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:55,236 INFO L168 Benchmark]: Witness Printer took 69.17 ms. Allocated memory is still 125.8 MB. Free memory was 73.5 MB in the beginning and 71.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:55,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 73.4 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.81 ms. Allocated memory is still 104.9 MB. Free memory was 75.5 MB in the beginning and 83.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.05 ms. Allocated memory is still 104.9 MB. Free memory was 83.6 MB in the beginning and 82.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.08 ms. Allocated memory is still 104.9 MB. Free memory was 82.5 MB in the beginning and 81.6 MB in the end (delta: 889.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 324.27 ms. Allocated memory is still 104.9 MB. Free memory was 81.4 MB in the beginning and 70.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2242.86 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 70.5 MB in the beginning and 73.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 69.17 ms. Allocated memory is still 125.8 MB. Free memory was 73.5 MB in the beginning and 71.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 || x <= y + 2147483647 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= y) && 0 <= x) && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 SDtfs, 260 SDslu, 39 SDs, 0 SdLazy, 342 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 65 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 8 NumberOfFragments, 22 HoareAnnotationTreeSize, 2 FomulaSimplifications, 39 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 2067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 3/3 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...