./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2.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_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/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 e334e85dd18553afecc96b27cf49a003304cbca8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:58:23,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:23,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:23,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:23,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:23,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:23,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:23,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:23,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:23,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:23,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:23,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:23,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:23,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:23,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:23,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:23,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:23,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:23,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:23,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:23,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:23,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:23,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:23,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:23,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:23,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:23,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:23,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:23,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:23,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:23,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:23,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:23,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:23,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:23,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:23,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:23,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:23,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:23,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:23,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:23,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:23,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-28 02:58:23,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:23,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:23,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:23,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:23,641 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:23,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:23,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:58:23,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:23,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:23,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:23,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:23,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:23,643 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 02:58:23,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:23,644 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:23,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:23,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:23,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:23,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:23,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:23,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:23,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:23,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:23,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:23,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:23,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:23,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:23,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:23,647 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_849097c9-311a-4718-bcb6-a936ac864431/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e334e85dd18553afecc96b27cf49a003304cbca8 [2020-11-28 02:58:23,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:23,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:23,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:23,945 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:23,958 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:23,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2.c [2020-11-28 02:58:24,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/data/c36694fed/8a5019d9890d4d059308225e3113d767/FLAGd327b0daf [2020-11-28 02:58:24,492 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:24,493 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2.c [2020-11-28 02:58:24,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/data/c36694fed/8a5019d9890d4d059308225e3113d767/FLAGd327b0daf [2020-11-28 02:58:24,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/data/c36694fed/8a5019d9890d4d059308225e3113d767 [2020-11-28 02:58:24,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:24,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:24,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:24,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:24,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:24,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:24" (1/1) ... [2020-11-28 02:58:24,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3441d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:24, skipping insertion in model container [2020-11-28 02:58:24,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:24" (1/1) ... [2020-11-28 02:58:24,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:24,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:25,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:25,101 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:25,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:25,144 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:25,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25 WrapperNode [2020-11-28 02:58:25,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:25,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:25,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:25,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:25,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:25,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:25,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:25,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:25,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... [2020-11-28 02:58:25,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:25,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:25,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:25,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:25,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/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 02:58:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:25,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:25,495 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:25,496 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 02:58:25,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:25 BoogieIcfgContainer [2020-11-28 02:58:25,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:25,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:25,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:25,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:25,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:24" (1/3) ... [2020-11-28 02:58:25,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e6a6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:25, skipping insertion in model container [2020-11-28 02:58:25,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:25" (2/3) ... [2020-11-28 02:58:25,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e6a6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:25, skipping insertion in model container [2020-11-28 02:58:25,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:25" (3/3) ... [2020-11-28 02:58:25,506 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi2.c [2020-11-28 02:58:25,524 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:25,528 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-28 02:58:25,554 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-28 02:58:25,581 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:25,581 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:25,581 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:25,581 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:25,582 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:25,582 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:25,582 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:25,582 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-11-28 02:58:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 02:58:25,602 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:25,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 02:58:25,604 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:58:25,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:25,610 INFO L82 PathProgramCache]: Analyzing trace with hash 29684842, now seen corresponding path program 1 times [2020-11-28 02:58:25,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:25,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931013504] [2020-11-28 02:58:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:25,787 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 02:58:25,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931013504] [2020-11-28 02:58:25,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:25,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:25,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377268932] [2020-11-28 02:58:25,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:25,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:25,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:25,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:25,810 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2020-11-28 02:58:25,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:25,894 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2020-11-28 02:58:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:25,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-28 02:58:25,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:25,904 INFO L225 Difference]: With dead ends: 29 [2020-11-28 02:58:25,904 INFO L226 Difference]: Without dead ends: 16 [2020-11-28 02:58:25,907 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 02:58:25,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-28 02:58:25,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-11-28 02:58:25,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 02:58:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-11-28 02:58:25,939 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 5 [2020-11-28 02:58:25,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:25,939 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-11-28 02:58:25,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-11-28 02:58:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 02:58:25,940 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:25,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 02:58:25,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:25,941 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:58:25,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:25,942 INFO L82 PathProgramCache]: Analyzing trace with hash 920230152, now seen corresponding path program 1 times [2020-11-28 02:58:25,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:25,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274757135] [2020-11-28 02:58:25,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:25,985 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 02:58:25,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274757135] [2020-11-28 02:58:25,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:25,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:25,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933685354] [2020-11-28 02:58:25,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:25,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:25,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:25,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:25,989 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states. [2020-11-28 02:58:26,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:26,042 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2020-11-28 02:58:26,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:26,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-28 02:58:26,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:26,044 INFO L225 Difference]: With dead ends: 15 [2020-11-28 02:58:26,044 INFO L226 Difference]: Without dead ends: 14 [2020-11-28 02:58:26,045 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 02:58:26,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-28 02:58:26,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-28 02:58:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-28 02:58:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-11-28 02:58:26,049 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 6 [2020-11-28 02:58:26,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:26,049 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-11-28 02:58:26,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-11-28 02:58:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 02:58:26,049 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:26,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:26,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:26,050 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:58:26,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:26,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1537636308, now seen corresponding path program 1 times [2020-11-28 02:58:26,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:26,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407252158] [2020-11-28 02:58:26,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:26,091 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 02:58:26,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407252158] [2020-11-28 02:58:26,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:26,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:26,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711742208] [2020-11-28 02:58:26,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:26,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:26,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:26,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:26,095 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 4 states. [2020-11-28 02:58:26,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:26,135 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-11-28 02:58:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:58:26,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-28 02:58:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:26,137 INFO L225 Difference]: With dead ends: 14 [2020-11-28 02:58:26,138 INFO L226 Difference]: Without dead ends: 13 [2020-11-28 02:58:26,138 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 02:58:26,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-28 02:58:26,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-28 02:58:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-28 02:58:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-11-28 02:58:26,142 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2020-11-28 02:58:26,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:26,142 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-11-28 02:58:26,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-11-28 02:58:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 02:58:26,143 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:26,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:26,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:26,144 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:58:26,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:26,144 INFO L82 PathProgramCache]: Analyzing trace with hash -422085238, now seen corresponding path program 1 times [2020-11-28 02:58:26,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:26,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583389663] [2020-11-28 02:58:26,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:26,186 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 02:58:26,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583389663] [2020-11-28 02:58:26,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:26,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:26,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874649777] [2020-11-28 02:58:26,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:26,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:26,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:26,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:26,189 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2020-11-28 02:58:26,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:26,201 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-11-28 02:58:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:26,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-28 02:58:26,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:26,203 INFO L225 Difference]: With dead ends: 14 [2020-11-28 02:58:26,203 INFO L226 Difference]: Without dead ends: 13 [2020-11-28 02:58:26,204 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 02:58:26,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-28 02:58:26,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-11-28 02:58:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 02:58:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2020-11-28 02:58:26,208 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 8 [2020-11-28 02:58:26,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:26,208 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2020-11-28 02:58:26,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:26,208 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-11-28 02:58:26,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 02:58:26,209 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:26,209 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:26,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:26,210 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:58:26,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:26,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1322960227, now seen corresponding path program 1 times [2020-11-28 02:58:26,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:26,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099705841] [2020-11-28 02:58:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:26,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099705841] [2020-11-28 02:58:26,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348932002] [2020-11-28 02:58:26,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:26,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 02:58:26,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:26,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 02:58:26,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-11-28 02:58:26,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158081924] [2020-11-28 02:58:26,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:26,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:26,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:26,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:26,361 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 4 states. [2020-11-28 02:58:26,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:26,421 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2020-11-28 02:58:26,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:58:26,423 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-28 02:58:26,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:26,425 INFO L225 Difference]: With dead ends: 20 [2020-11-28 02:58:26,425 INFO L226 Difference]: Without dead ends: 19 [2020-11-28 02:58:26,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 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 02:58:26,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-28 02:58:26,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2020-11-28 02:58:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-28 02:58:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-11-28 02:58:26,433 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 11 [2020-11-28 02:58:26,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:26,433 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-11-28 02:58:26,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-11-28 02:58:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 02:58:26,434 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:26,434 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1] [2020-11-28 02:58:26,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:26,650 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 02:58:26,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:26,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1011103644, now seen corresponding path program 2 times [2020-11-28 02:58:26,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:26,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207417497] [2020-11-28 02:58:26,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:26,716 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 02:58:26,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207417497] [2020-11-28 02:58:26,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795237876] [2020-11-28 02:58:26,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:26,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-11-28 02:58:26,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 02:58:26,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 02:58:26,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 02:58:26,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 02:58:26,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2020-11-28 02:58:26,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247911829] [2020-11-28 02:58:26,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:26,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:26,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:26,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:26,761 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 4 states. [2020-11-28 02:58:26,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:26,821 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2020-11-28 02:58:26,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:58:26,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 02:58:26,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:26,821 INFO L225 Difference]: With dead ends: 18 [2020-11-28 02:58:26,821 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:26,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 1 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 02:58:26,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:26,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:26,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2020-11-28 02:58:26,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:26,823 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:26,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:26,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:26,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:27,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:58:27,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:27,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-11-28 02:58:27,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:27,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2020-11-28 02:58:27,068 INFO L277 CegarLoopResult]: At program point L29(lines 13 30) the Hoare annotation is: true [2020-11-28 02:58:27,068 INFO L274 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-11-28 02:58:27,068 INFO L274 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-11-28 02:58:27,068 INFO L274 CegarLoopResult]: For program point L21(lines 21 26) no Hoare annotation was computed. [2020-11-28 02:58:27,068 INFO L270 CegarLoopResult]: At program point L21-2(lines 20 27) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~v2~0) (<= ULTIMATE.start_main_~m~0 2147483647) (<= ULTIMATE.start_main_~n~0 2147483647) (<= ULTIMATE.start_main_~v1~0 2147483647)) [2020-11-28 02:58:27,068 INFO L274 CegarLoopResult]: For program point L17(lines 17 28) no Hoare annotation was computed. [2020-11-28 02:58:27,068 INFO L274 CegarLoopResult]: For program point L17-1(lines 17 28) no Hoare annotation was computed. [2020-11-28 02:58:27,069 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-11-28 02:58:27,069 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2020-11-28 02:58:27,069 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:27,069 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:27,069 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-28 02:58:27,069 INFO L274 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-11-28 02:58:27,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:27 BoogieIcfgContainer [2020-11-28 02:58:27,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:27,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:27,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:27,092 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:27,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:25" (3/4) ... [2020-11-28 02:58:27,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:27,104 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 02:58:27,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:58:27,141 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_849097c9-311a-4718-bcb6-a936ac864431/bin/uautomizer/witness.graphml [2020-11-28 02:58:27,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:27,146 INFO L168 Benchmark]: Toolchain (without parser) took 2232.59 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 54.9 MB in the beginning and 65.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,147 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:27,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.70 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 54.6 MB in the beginning and 86.8 MB in the end (delta: -32.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.96 ms. Allocated memory is still 109.1 MB. Free memory was 86.8 MB in the beginning and 85.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:27,150 INFO L168 Benchmark]: Boogie Preprocessor took 20.40 ms. Allocated memory is still 109.1 MB. Free memory was 85.6 MB in the beginning and 84.7 MB in the end (delta: 885.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,150 INFO L168 Benchmark]: RCFGBuilder took 298.64 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 75.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,151 INFO L168 Benchmark]: TraceAbstraction took 1592.36 ms. Allocated memory is still 109.1 MB. Free memory was 75.2 MB in the beginning and 68.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,151 INFO L168 Benchmark]: Witness Printer took 49.38 ms. Allocated memory is still 109.1 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:27,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 233.70 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 54.6 MB in the beginning and 86.8 MB in the end (delta: -32.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.96 ms. Allocated memory is still 109.1 MB. Free memory was 86.8 MB in the beginning and 85.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.40 ms. Allocated memory is still 109.1 MB. Free memory was 85.6 MB in the beginning and 84.7 MB in the end (delta: 885.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 298.64 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 75.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1592.36 ms. Allocated memory is still 109.1 MB. Free memory was 75.2 MB in the beginning and 68.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 49.38 ms. Allocated memory is still 109.1 MB. Free memory was 67.4 MB in the beginning and 65.3 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: 23]: 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: 23]: 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((0 <= v2 && m <= 2147483647) && n <= 2147483647) && v1 <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 31 SDslu, 19 SDs, 0 SdLazy, 49 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=5, 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, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 14 HoareAnnotationTreeSize, 2 FomulaSimplifications, 57 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 82 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2428 SizeOfPredicates, 1 NumberOfNonLiveVariables, 48 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 20/30 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...