./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/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 eec7850a55859668859d25c9503478e74955da1a ............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:50:44,019 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:50:44,020 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:50:44,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:50:44,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:50:44,028 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:50:44,029 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:50:44,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:50:44,031 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:50:44,032 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:50:44,033 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:50:44,033 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:50:44,034 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:50:44,035 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:50:44,035 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:50:44,036 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:50:44,037 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:50:44,038 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:50:44,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:50:44,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:50:44,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:50:44,042 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:50:44,044 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:50:44,044 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:50:44,045 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:50:44,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:50:44,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:50:44,047 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:50:44,048 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:50:44,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:50:44,049 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:50:44,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:50:44,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:50:44,049 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:50:44,050 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:50:44,050 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:50:44,051 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 08:50:44,061 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:50:44,061 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:50:44,062 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:50:44,062 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:50:44,063 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:50:44,063 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:50:44,063 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 08:50:44,063 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:50:44,063 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 08:50:44,063 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:50:44,063 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:50:44,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:50:44,064 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:50:44,064 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:50:44,064 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 08:50:44,064 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:50:44,064 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:50:44,064 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:50:44,065 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:50:44,066 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:50:44,066 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:50:44,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:50:44,066 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:50:44,066 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:50:44,066 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:50:44,066 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 08:50:44,066 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:50:44,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:50:44,066 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/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 -> eec7850a55859668859d25c9503478e74955da1a [2018-11-10 08:50:44,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:50:44,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:50:44,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:50:44,102 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:50:44,102 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:50:44,103 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk_true-termination_true-no-overflow.c [2018-11-10 08:50:44,147 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/data/fd1d67dce/27b6d80cd1c4482b9be521535cd7d99b/FLAG2d947c9b1 [2018-11-10 08:50:44,447 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:50:44,447 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/sv-benchmarks/c/termination-crafted-lit/cstrpbrk_true-termination_true-no-overflow.c [2018-11-10 08:50:44,451 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/data/fd1d67dce/27b6d80cd1c4482b9be521535cd7d99b/FLAG2d947c9b1 [2018-11-10 08:50:44,461 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/data/fd1d67dce/27b6d80cd1c4482b9be521535cd7d99b [2018-11-10 08:50:44,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:50:44,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 08:50:44,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:50:44,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:50:44,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:50:44,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:50:44" (1/1) ... [2018-11-10 08:50:44,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82cdb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44, skipping insertion in model container [2018-11-10 08:50:44,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:50:44" (1/1) ... [2018-11-10 08:50:44,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:50:44,492 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:50:44,596 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:50:44,602 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:50:44,612 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:50:44,623 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:50:44,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44 WrapperNode [2018-11-10 08:50:44,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:50:44,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:50:44,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:50:44,624 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:50:44,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44" (1/1) ... [2018-11-10 08:50:44,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44" (1/1) ... [2018-11-10 08:50:44,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44" (1/1) ... [2018-11-10 08:50:44,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44" (1/1) ... [2018-11-10 08:50:44,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44" (1/1) ... [2018-11-10 08:50:44,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44" (1/1) ... [2018-11-10 08:50:44,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44" (1/1) ... [2018-11-10 08:50:44,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:50:44,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:50:44,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:50:44,649 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:50:44,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/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 [2018-11-10 08:50:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:50:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:50:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-11-10 08:50:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-11-10 08:50:44,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:50:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-10 08:50:44,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 08:50:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-11-10 08:50:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 08:50:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 08:50:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-11-10 08:50:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 08:50:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:50:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:50:44,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:50:44,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 08:50:44,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 08:50:44,892 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:50:44,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:50:44 BoogieIcfgContainer [2018-11-10 08:50:44,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:50:44,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:50:44,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:50:44,896 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:50:44,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:50:44" (1/3) ... [2018-11-10 08:50:44,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ebd547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:50:44, skipping insertion in model container [2018-11-10 08:50:44,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:50:44" (2/3) ... [2018-11-10 08:50:44,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ebd547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:50:44, skipping insertion in model container [2018-11-10 08:50:44,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:50:44" (3/3) ... [2018-11-10 08:50:44,899 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrpbrk_true-termination_true-no-overflow.c [2018-11-10 08:50:44,906 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:50:44,912 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-10 08:50:44,925 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-10 08:50:44,945 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 08:50:44,945 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:50:44,945 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:50:44,945 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:50:44,945 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:50:44,946 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:50:44,946 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:50:44,946 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:50:44,946 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:50:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-11-10 08:50:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 08:50:44,963 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:50:44,963 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:50:44,965 INFO L424 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 08:50:44,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:50:44,969 INFO L82 PathProgramCache]: Analyzing trace with hash 553195873, now seen corresponding path program 1 times [2018-11-10 08:50:44,970 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:50:44,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:50:45,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:50:45,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:50:45,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:50:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:50:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:50:45,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:50:45,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 08:50:45,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 08:50:45,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 08:50:45,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:50:45,079 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 3 states. [2018-11-10 08:50:45,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:50:45,139 INFO L93 Difference]: Finished difference Result 83 states and 98 transitions. [2018-11-10 08:50:45,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 08:50:45,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-10 08:50:45,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:50:45,148 INFO L225 Difference]: With dead ends: 83 [2018-11-10 08:50:45,148 INFO L226 Difference]: Without dead ends: 33 [2018-11-10 08:50:45,151 INFO L605 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 [2018-11-10 08:50:45,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-10 08:50:45,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2018-11-10 08:50:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-10 08:50:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2018-11-10 08:50:45,179 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 9 [2018-11-10 08:50:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:50:45,179 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2018-11-10 08:50:45,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 08:50:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-11-10 08:50:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 08:50:45,180 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:50:45,180 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:50:45,180 INFO L424 AbstractCegarLoop]: === Iteration 2 === [build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 08:50:45,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:50:45,181 INFO L82 PathProgramCache]: Analyzing trace with hash 553195935, now seen corresponding path program 1 times [2018-11-10 08:50:45,181 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:50:45,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:50:45,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:50:45,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:50:45,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:50:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:50:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:50:45,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:50:45,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 08:50:45,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 08:50:45,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 08:50:45,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:50:45,211 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 3 states. [2018-11-10 08:50:45,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:50:45,241 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-11-10 08:50:45,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 08:50:45,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-10 08:50:45,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:50:45,243 INFO L225 Difference]: With dead ends: 28 [2018-11-10 08:50:45,243 INFO L226 Difference]: Without dead ends: 26 [2018-11-10 08:50:45,243 INFO L605 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 [2018-11-10 08:50:45,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-10 08:50:45,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 21. [2018-11-10 08:50:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-10 08:50:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-11-10 08:50:45,247 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 9 [2018-11-10 08:50:45,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:50:45,247 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-11-10 08:50:45,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 08:50:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-10 08:50:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 08:50:45,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:50:45,247 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:50:45,247 INFO L424 AbstractCegarLoop]: === Iteration 3 === [build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 08:50:45,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:50:45,248 INFO L82 PathProgramCache]: Analyzing trace with hash -30797081, now seen corresponding path program 1 times [2018-11-10 08:50:45,248 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:50:45,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:50:45,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:50:45,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:50:45,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:50:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:50:45,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:50:45,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:50:45,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 08:50:45,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 08:50:45,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 08:50:45,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:50:45,276 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2018-11-10 08:50:45,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:50:45,290 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2018-11-10 08:50:45,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 08:50:45,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 08:50:45,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:50:45,290 INFO L225 Difference]: With dead ends: 21 [2018-11-10 08:50:45,291 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 08:50:45,291 INFO L605 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 [2018-11-10 08:50:45,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 08:50:45,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 08:50:45,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 08:50:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 08:50:45,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-10 08:50:45,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:50:45,292 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 08:50:45,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 08:50:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 08:50:45,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:50:45,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 08:50:45,330 INFO L425 ceAbstractionStarter]: For program point build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-11-10 08:50:45,330 INFO L425 ceAbstractionStarter]: For program point build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point build_nondet_StringFINAL(lines 12 20) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point L18-2(line 18) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point L18-3(line 18) no Hoare annotation was computed. [2018-11-10 08:50:45,331 INFO L425 ceAbstractionStarter]: For program point L14(lines 14 16) no Hoare annotation was computed. [2018-11-10 08:50:45,332 INFO L425 ceAbstractionStarter]: For program point L14-2(lines 14 16) no Hoare annotation was computed. [2018-11-10 08:50:45,332 INFO L428 ceAbstractionStarter]: At program point build_nondet_StringENTRY(lines 12 20) the Hoare annotation is: true [2018-11-10 08:50:45,332 INFO L425 ceAbstractionStarter]: For program point build_nondet_StringEXIT(lines 12 20) no Hoare annotation was computed. [2018-11-10 08:50:45,332 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:50:45,332 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:50:45,332 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:50:45,332 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-10 08:50:45,332 INFO L425 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed. [2018-11-10 08:50:45,332 INFO L425 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-11-10 08:50:45,332 INFO L425 ceAbstractionStarter]: For program point L31-2(lines 31 38) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point L31-4(lines 31 38) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L428 ceAbstractionStarter]: At program point L31-5(lines 31 38) the Hoare annotation is: true [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point L31-6(lines 31 38) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point cstrpbrkFINAL(lines 26 40) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point cstrpbrkEXIT(lines 26 40) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L428 ceAbstractionStarter]: At program point cstrpbrkENTRY(lines 26 40) the Hoare annotation is: true [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point L34-1(lines 34 35) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point L34-2(line 34) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point L34-3(line 34) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point L34-4(line 34) no Hoare annotation was computed. [2018-11-10 08:50:45,333 INFO L425 ceAbstractionStarter]: For program point L34-5(line 34) no Hoare annotation was computed. [2018-11-10 08:50:45,334 INFO L425 ceAbstractionStarter]: For program point L34-7(lines 34 35) no Hoare annotation was computed. [2018-11-10 08:50:45,334 INFO L428 ceAbstractionStarter]: At program point L34-9(lines 34 35) the Hoare annotation is: true [2018-11-10 08:50:45,334 INFO L425 ceAbstractionStarter]: For program point L34-10(lines 34 35) no Hoare annotation was computed. [2018-11-10 08:50:45,334 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:50:45,334 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 08:50:45,334 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:50:45,334 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:50:45,334 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 42 45) the Hoare annotation is: true [2018-11-10 08:50:45,334 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 42 45) no Hoare annotation was computed. [2018-11-10 08:50:45,334 INFO L428 ceAbstractionStarter]: At program point L43(line 43) the Hoare annotation is: true [2018-11-10 08:50:45,334 INFO L428 ceAbstractionStarter]: At program point L43-1(line 43) the Hoare annotation is: true [2018-11-10 08:50:45,334 INFO L425 ceAbstractionStarter]: For program point L43-2(line 43) no Hoare annotation was computed. [2018-11-10 08:50:45,335 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 42 45) no Hoare annotation was computed. [2018-11-10 08:50:45,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:50:45 BoogieIcfgContainer [2018-11-10 08:50:45,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 08:50:45,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:50:45,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:50:45,339 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:50:45,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:50:44" (3/4) ... [2018-11-10 08:50:45,342 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:50:45,347 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2018-11-10 08:50:45,347 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 08:50:45,347 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cstrpbrk [2018-11-10 08:50:45,347 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 08:50:45,351 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 08:50:45,351 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 08:50:45,351 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 08:50:45,387 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_47cc727e-e7db-4cee-a11c-5659e40fa48e/bin-2019/uautomizer/witness.graphml [2018-11-10 08:50:45,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:50:45,388 INFO L168 Benchmark]: Toolchain (without parser) took 923.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:50:45,389 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:50:45,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.00 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:50:45,390 INFO L168 Benchmark]: Boogie Preprocessor took 24.34 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 944.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:50:45,390 INFO L168 Benchmark]: RCFGBuilder took 244.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 944.6 MB in the beginning and 1.2 GB in the end (delta: -208.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:50:45,390 INFO L168 Benchmark]: TraceAbstraction took 445.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2018-11-10 08:50:45,390 INFO L168 Benchmark]: Witness Printer took 48.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:50:45,392 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.00 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.34 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 944.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 244.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 944.6 MB in the beginning and 1.2 GB in the end (delta: -208.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 445.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. * Witness Printer took 48.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 4 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 71 SDtfs, 30 SDslu, 56 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 11 PreInvPairs, 13 NumberOfFragments, 10 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...