./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.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_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/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 87d0ba70ff123101875b88252c232be93381362a ........................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:07:31,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:07:31,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:07:31,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:07:31,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:07:31,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:07:31,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:07:31,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:07:31,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:07:31,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:07:31,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:07:31,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:07:31,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:07:31,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:07:31,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:07:31,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:07:31,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:07:31,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:07:31,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:07:31,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:07:31,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:07:31,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:07:31,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:07:31,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:07:31,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:07:31,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:07:31,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:07:31,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:07:31,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:07:31,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:07:31,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:07:31,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:07:31,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:07:31,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:07:31,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:07:31,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:07:31,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:07:31,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:07:31,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:07:31,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:07:31,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:07:31,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-28 03:07:31,659 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:07:31,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:07:31,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:07:31,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:07:31,670 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:07:31,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:07:31,670 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:07:31,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:07:31,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:07:31,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:07:31,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:07:31,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:07:31,672 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 03:07:31,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:07:31,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:07:31,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:07:31,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:07:31,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:07:31,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:07:31,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:07:31,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:07:31,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:07:31,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:07:31,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:07:31,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:07:31,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:07:31,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:07:31,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:07:31,676 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_1a03f147-97d6-47e4-bfc2-02346fa757c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d0ba70ff123101875b88252c232be93381362a [2020-11-28 03:07:31,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:07:31,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:07:31,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:07:31,969 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:07:31,969 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:07:31,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2020-11-28 03:07:32,063 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/data/cb3990f38/98c6ec116c6d4f0e8d3173a6daf05b84/FLAG5c6dec17e [2020-11-28 03:07:32,475 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:07:32,475 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2020-11-28 03:07:32,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/data/cb3990f38/98c6ec116c6d4f0e8d3173a6daf05b84/FLAG5c6dec17e [2020-11-28 03:07:32,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/data/cb3990f38/98c6ec116c6d4f0e8d3173a6daf05b84 [2020-11-28 03:07:32,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:07:32,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:07:32,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:32,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:07:32,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:07:32,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:32" (1/1) ... [2020-11-28 03:07:32,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1714f2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:32, skipping insertion in model container [2020-11-28 03:07:32,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:32" (1/1) ... [2020-11-28 03:07:32,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:07:32,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:07:33,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:33,099 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:07:33,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:33,133 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:07:33,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33 WrapperNode [2020-11-28 03:07:33,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:33,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:33,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:07:33,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:07:33,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... [2020-11-28 03:07:33,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... [2020-11-28 03:07:33,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:33,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:07:33,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:07:33,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:07:33,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... [2020-11-28 03:07:33,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... [2020-11-28 03:07:33,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... [2020-11-28 03:07:33,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... [2020-11-28 03:07:33,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... [2020-11-28 03:07:33,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... [2020-11-28 03:07:33,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... [2020-11-28 03:07:33,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:07:33,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:07:33,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:07:33,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:07:33,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:07:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure le [2020-11-28 03:07:33,239 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2020-11-28 03:07:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:07:33,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:07:33,425 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:07:33,426 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-28 03:07:33,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:33 BoogieIcfgContainer [2020-11-28 03:07:33,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:07:33,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:07:33,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:07:33,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:07:33,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:07:32" (1/3) ... [2020-11-28 03:07:33,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156229e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:07:33, skipping insertion in model container [2020-11-28 03:07:33,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:33" (2/3) ... [2020-11-28 03:07:33,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156229e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:07:33, skipping insertion in model container [2020-11-28 03:07:33,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:33" (3/3) ... [2020-11-28 03:07:33,436 INFO L111 eAbstractionObserver]: Analyzing ICFG LeUserDefRec.c [2020-11-28 03:07:33,447 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:07:33,451 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-28 03:07:33,464 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-28 03:07:33,487 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:07:33,487 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:07:33,487 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:07:33,487 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:07:33,487 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:07:33,487 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:07:33,487 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:07:33,488 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:07:33,502 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-11-28 03:07:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:07:33,506 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:33,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:33,507 INFO L429 AbstractCegarLoop]: === Iteration 1 === [leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:07:33,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:33,513 INFO L82 PathProgramCache]: Analyzing trace with hash 306322899, now seen corresponding path program 1 times [2020-11-28 03:07:33,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:33,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616342755] [2020-11-28 03:07:33,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:33,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616342755] [2020-11-28 03:07:33,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:33,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:07:33,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125402624] [2020-11-28 03:07:33,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:07:33,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:33,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:07:33,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:07:33,884 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 5 states. [2020-11-28 03:07:33,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:33,995 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2020-11-28 03:07:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:07:33,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-11-28 03:07:33,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:34,005 INFO L225 Difference]: With dead ends: 22 [2020-11-28 03:07:34,005 INFO L226 Difference]: Without dead ends: 14 [2020-11-28 03:07:34,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:07:34,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-28 03:07:34,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-28 03:07:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-28 03:07:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-11-28 03:07:34,038 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2020-11-28 03:07:34,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:34,038 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-11-28 03:07:34,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:07:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-11-28 03:07:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 03:07:34,039 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:34,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:34,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:07:34,040 INFO L429 AbstractCegarLoop]: === Iteration 2 === [leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:07:34,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:34,041 INFO L82 PathProgramCache]: Analyzing trace with hash 906075314, now seen corresponding path program 1 times [2020-11-28 03:07:34,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:34,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626089499] [2020-11-28 03:07:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:34,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626089499] [2020-11-28 03:07:34,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:34,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:07:34,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194270846] [2020-11-28 03:07:34,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:07:34,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:34,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:07:34,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:07:34,069 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 3 states. [2020-11-28 03:07:34,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:34,078 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-11-28 03:07:34,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:07:34,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-28 03:07:34,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:34,080 INFO L225 Difference]: With dead ends: 14 [2020-11-28 03:07:34,080 INFO L226 Difference]: Without dead ends: 13 [2020-11-28 03:07:34,081 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 03:07:34,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-28 03:07:34,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-28 03:07:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-28 03:07:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-11-28 03:07:34,084 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 8 [2020-11-28 03:07:34,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:34,085 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-11-28 03:07:34,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:07:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2020-11-28 03:07:34,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:07:34,085 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:34,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:34,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:07:34,086 INFO L429 AbstractCegarLoop]: === Iteration 3 === [leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:07:34,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:34,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1976436299, now seen corresponding path program 1 times [2020-11-28 03:07:34,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:34,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316079048] [2020-11-28 03:07:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:34,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316079048] [2020-11-28 03:07:34,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:34,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:07:34,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191163812] [2020-11-28 03:07:34,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:07:34,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:34,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:07:34,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:07:34,143 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 5 states. [2020-11-28 03:07:34,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:34,184 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2020-11-28 03:07:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:07:34,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-28 03:07:34,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:34,186 INFO L225 Difference]: With dead ends: 13 [2020-11-28 03:07:34,186 INFO L226 Difference]: Without dead ends: 12 [2020-11-28 03:07:34,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:07:34,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-28 03:07:34,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-28 03:07:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 03:07:34,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2020-11-28 03:07:34,191 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2020-11-28 03:07:34,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:34,191 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2020-11-28 03:07:34,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:07:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2020-11-28 03:07:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:07:34,192 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:34,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:34,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:07:34,192 INFO L429 AbstractCegarLoop]: === Iteration 4 === [leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:07:34,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:34,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1139983084, now seen corresponding path program 1 times [2020-11-28 03:07:34,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:34,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382761077] [2020-11-28 03:07:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:34,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382761077] [2020-11-28 03:07:34,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:34,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:07:34,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687531850] [2020-11-28 03:07:34,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:07:34,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:34,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:07:34,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:07:34,230 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2020-11-28 03:07:34,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:34,254 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-11-28 03:07:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:07:34,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-28 03:07:34,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:34,255 INFO L225 Difference]: With dead ends: 12 [2020-11-28 03:07:34,256 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:07:34,256 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 03:07:34,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:07:34,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:07:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:07:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:07:34,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-28 03:07:34,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:34,257 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:34,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:07:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:07:34,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:07:34,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:07:34,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:07:34,330 INFO L274 CegarLoopResult]: For program point leFINAL(lines 41 47) no Hoare annotation was computed. [2020-11-28 03:07:34,330 INFO L274 CegarLoopResult]: For program point leEXIT(lines 41 47) no Hoare annotation was computed. [2020-11-28 03:07:34,330 INFO L277 CegarLoopResult]: At program point leENTRY(lines 41 47) the Hoare annotation is: true [2020-11-28 03:07:34,330 INFO L274 CegarLoopResult]: For program point leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2020-11-28 03:07:34,331 INFO L274 CegarLoopResult]: For program point leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2020-11-28 03:07:34,331 INFO L274 CegarLoopResult]: For program point leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2020-11-28 03:07:34,331 INFO L274 CegarLoopResult]: For program point leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2020-11-28 03:07:34,331 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-28 03:07:34,331 INFO L274 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-11-28 03:07:34,331 INFO L274 CegarLoopResult]: For program point L43-1(line 43) no Hoare annotation was computed. [2020-11-28 03:07:34,332 INFO L274 CegarLoopResult]: For program point L43-2(line 43) no Hoare annotation was computed. [2020-11-28 03:07:34,332 INFO L274 CegarLoopResult]: For program point L43-3(line 43) no Hoare annotation was computed. [2020-11-28 03:07:34,332 INFO L270 CegarLoopResult]: At program point L43-4(line 43) the Hoare annotation is: (or (not (<= |le_#in~x| 2147483647)) (and (<= 1 le_~y) (<= le_~y 2147483647) (<= 1 le_~x) (<= le_~x 2147483647)) (not (<= |le_#in~y| 2147483647))) [2020-11-28 03:07:34,332 INFO L274 CegarLoopResult]: For program point L43-5(line 43) no Hoare annotation was computed. [2020-11-28 03:07:34,332 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:07:34,332 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:07:34,333 INFO L270 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2020-11-28 03:07:34,333 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:07:34,333 INFO L274 CegarLoopResult]: For program point L29-1(line 29) no Hoare annotation was computed. [2020-11-28 03:07:34,333 INFO L274 CegarLoopResult]: For program point L26(lines 26 27) no Hoare annotation was computed. [2020-11-28 03:07:34,333 INFO L274 CegarLoopResult]: For program point L23(lines 23 24) no Hoare annotation was computed. [2020-11-28 03:07:34,333 INFO L270 CegarLoopResult]: At program point L21(lines 21 31) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647) [2020-11-28 03:07:34,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:07:34 BoogieIcfgContainer [2020-11-28 03:07:34,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:07:34,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:07:34,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:07:34,348 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:07:34,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:33" (3/4) ... [2020-11-28 03:07:34,351 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:07:34,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure le [2020-11-28 03:07:34,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:07:34,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 03:07:34,412 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1a03f147-97d6-47e4-bfc2-02346fa757c9/bin/uautomizer/witness.graphml [2020-11-28 03:07:34,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:07:34,420 INFO L168 Benchmark]: Toolchain (without parser) took 1518.56 ms. Allocated memory is still 100.7 MB. Free memory was 67.7 MB in the beginning and 60.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:34,421 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 100.7 MB. Free memory was 74.7 MB in the beginning and 74.7 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:34,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.48 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 79.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:34,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.44 ms. Allocated memory is still 100.7 MB. Free memory was 79.6 MB in the beginning and 78.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:34,426 INFO L168 Benchmark]: Boogie Preprocessor took 14.36 ms. Allocated memory is still 100.7 MB. Free memory was 78.2 MB in the beginning and 77.5 MB in the end (delta: 737.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:34,428 INFO L168 Benchmark]: RCFGBuilder took 247.26 ms. Allocated memory is still 100.7 MB. Free memory was 77.5 MB in the beginning and 67.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:34,430 INFO L168 Benchmark]: TraceAbstraction took 918.98 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 62.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:34,430 INFO L168 Benchmark]: Witness Printer took 70.83 ms. Allocated memory is still 100.7 MB. Free memory was 62.7 MB in the beginning and 60.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:34,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 100.7 MB. Free memory was 74.7 MB in the beginning and 74.7 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 232.48 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 79.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.44 ms. Allocated memory is still 100.7 MB. Free memory was 79.6 MB in the beginning and 78.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 14.36 ms. Allocated memory is still 100.7 MB. Free memory was 78.2 MB in the beginning and 77.5 MB in the end (delta: 737.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 247.26 ms. Allocated memory is still 100.7 MB. Free memory was 77.5 MB in the beginning and 67.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 918.98 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 62.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Witness Printer took 70.83 ms. Allocated memory is still 100.7 MB. Free memory was 62.7 MB in the beginning and 60.0 MB in the end (delta: 2.6 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: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: 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: 21]: Loop Invariant Derived loop invariant: x <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 43 SDslu, 38 SDs, 0 SdLazy, 47 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 33 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...