./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/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 fce4ad715fa5546a587c43eb09d1a8cb5dcde607 .............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:38,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:38,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:38,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:38,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:38,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:38,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:38,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:38,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:38,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:38,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:38,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:38,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:38,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:38,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:38,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:38,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:38,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:38,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:38,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:38,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:38,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:38,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:38,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:38,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:38,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:38,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:38,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:38,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:38,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:38,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:38,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:38,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:38,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:38,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:38,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:38,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:38,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:38,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:38,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:38,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:38,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-10-22 08:57:38,108 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:38,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:38,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:38,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:38,110 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:38,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:38,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:38,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:38,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:38,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:38,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:38,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:38,111 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 08:57:38,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:38,111 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:38,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:38,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:38,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:38,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:38,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:38,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:38,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:38,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:38,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:38,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:38,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:38,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:38,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b81487be-cf18-454a-aaa7-40e628e42069/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 -> fce4ad715fa5546a587c43eb09d1a8cb5dcde607 [2019-10-22 08:57:38,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:38,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:38,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:38,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:38,162 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:38,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c [2019-10-22 08:57:38,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/data/bca9c6575/59e15589d61947a88cc8b94ae79925d3/FLAG242ffaf06 [2019-10-22 08:57:38,575 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:38,575 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9.c [2019-10-22 08:57:38,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/data/bca9c6575/59e15589d61947a88cc8b94ae79925d3/FLAG242ffaf06 [2019-10-22 08:57:38,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/data/bca9c6575/59e15589d61947a88cc8b94ae79925d3 [2019-10-22 08:57:38,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:38,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:38,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:38,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:38,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:38,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:38" (1/1) ... [2019-10-22 08:57:38,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201d2f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:38, skipping insertion in model container [2019-10-22 08:57:38,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:38" (1/1) ... [2019-10-22 08:57:38,991 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:39,004 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:39,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:39,130 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:39,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:39,219 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:39,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39 WrapperNode [2019-10-22 08:57:39,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:39,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:39,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:39,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:39,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:39,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:39,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:39,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:39,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... [2019-10-22 08:57:39,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:39,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:39,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:39,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:39,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/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 [2019-10-22 08:57:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:39,437 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:39,437 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 08:57:39,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:39 BoogieIcfgContainer [2019-10-22 08:57:39,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:39,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:39,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:39,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:39,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:38" (1/3) ... [2019-10-22 08:57:39,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c35ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:39, skipping insertion in model container [2019-10-22 08:57:39,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:39" (2/3) ... [2019-10-22 08:57:39,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c35ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:39, skipping insertion in model container [2019-10-22 08:57:39,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:39" (3/3) ... [2019-10-22 08:57:39,444 INFO L109 eAbstractionObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex9.c [2019-10-22 08:57:39,450 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:39,455 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-22 08:57:39,463 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-22 08:57:39,479 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:39,479 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:39,479 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:39,480 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:39,480 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:39,480 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:39,480 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:39,480 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-10-22 08:57:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 08:57:39,495 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:39,495 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 08:57:39,497 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:57:39,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:39,501 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2019-10-22 08:57:39,508 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:39,508 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428437738] [2019-10-22 08:57:39,508 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,508 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:39,600 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428437738] [2019-10-22 08:57:39,600 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:39,601 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-10-22 08:57:39,601 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893131140] [2019-10-22 08:57:39,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:39,604 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:39,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:39,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:39,618 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2019-10-22 08:57:39,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:39,778 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2019-10-22 08:57:39,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:39,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-10-22 08:57:39,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:39,794 INFO L225 Difference]: With dead ends: 20 [2019-10-22 08:57:39,794 INFO L226 Difference]: Without dead ends: 11 [2019-10-22 08:57:39,797 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:39,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-10-22 08:57:39,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-10-22 08:57:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-10-22 08:57:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-10-22 08:57:39,828 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-10-22 08:57:39,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:39,828 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-10-22 08:57:39,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:39,828 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-10-22 08:57:39,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 08:57:39,829 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:39,829 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 08:57:39,829 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:57:39,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:39,830 INFO L82 PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times [2019-10-22 08:57:39,830 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:39,830 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955752176] [2019-10-22 08:57:39,830 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,830 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:39,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955752176] [2019-10-22 08:57:39,872 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:39,872 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-10-22 08:57:39,872 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630063311] [2019-10-22 08:57:39,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:39,874 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:39,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:39,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:39,874 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 3 states. [2019-10-22 08:57:39,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:39,898 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-10-22 08:57:39,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:39,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-10-22 08:57:39,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:39,900 INFO L225 Difference]: With dead ends: 11 [2019-10-22 08:57:39,900 INFO L226 Difference]: Without dead ends: 10 [2019-10-22 08:57:39,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:39,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-10-22 08:57:39,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-10-22 08:57:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-10-22 08:57:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-10-22 08:57:39,903 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 5 [2019-10-22 08:57:39,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:39,903 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-10-22 08:57:39,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-10-22 08:57:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 08:57:39,903 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:39,904 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 08:57:39,904 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:57:39,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:39,905 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2019-10-22 08:57:39,905 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:39,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092320685] [2019-10-22 08:57:39,905 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,905 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:39,924 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092320685] [2019-10-22 08:57:39,924 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:39,924 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:39,925 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398858690] [2019-10-22 08:57:39,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:39,925 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:39,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:39,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:39,926 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 3 states. [2019-10-22 08:57:39,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:39,941 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-10-22 08:57:39,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:39,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-10-22 08:57:39,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:39,943 INFO L225 Difference]: With dead ends: 11 [2019-10-22 08:57:39,943 INFO L226 Difference]: Without dead ends: 10 [2019-10-22 08:57:39,943 INFO L600 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 [2019-10-22 08:57:39,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-10-22 08:57:39,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-10-22 08:57:39,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-10-22 08:57:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-10-22 08:57:39,946 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 5 [2019-10-22 08:57:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:39,946 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-10-22 08:57:39,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-10-22 08:57:39,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 08:57:39,947 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:39,947 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:57:39,947 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:57:39,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:39,947 INFO L82 PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times [2019-10-22 08:57:39,948 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:39,948 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697870549] [2019-10-22 08:57:39,948 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,949 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:39,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:39,966 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697870549] [2019-10-22 08:57:39,966 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:39,966 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:39,966 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829324903] [2019-10-22 08:57:39,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:39,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:39,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:39,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:39,967 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 3 states. [2019-10-22 08:57:39,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:39,981 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-10-22 08:57:39,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:39,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-10-22 08:57:39,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:39,982 INFO L225 Difference]: With dead ends: 10 [2019-10-22 08:57:39,982 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:39,983 INFO L600 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 [2019-10-22 08:57:39,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:39,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:39,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-10-22 08:57:39,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:39,984 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:39,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:39,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:39,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:40,009 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:40,010 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2019-10-22 08:57:40,010 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 08:57:40,010 INFO L443 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2019-10-22 08:57:40,010 INFO L439 ceAbstractionStarter]: At program point L21-2(lines 17 25) the Hoare annotation is: (and (<= ULTIMATE.start_main_~p~0 2147483647) (<= ULTIMATE.start_main_~q~0 2147483647)) [2019-10-22 08:57:40,011 INFO L443 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2019-10-22 08:57:40,011 INFO L443 ceAbstractionStarter]: For program point L17-2(lines 17 25) no Hoare annotation was computed. [2019-10-22 08:57:40,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-10-22 08:57:40,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:40,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:40,011 INFO L439 ceAbstractionStarter]: At program point L26(lines 13 27) the Hoare annotation is: (<= ULTIMATE.start_main_~q~0 2147483647) [2019-10-22 08:57:40,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2019-10-22 08:57:40,011 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 08:57:40,012 INFO L443 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2019-10-22 08:57:40,012 INFO L443 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. [2019-10-22 08:57:40,012 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-10-22 08:57:40,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:40 BoogieIcfgContainer [2019-10-22 08:57:40,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:40,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:40,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:40,024 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:40,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:39" (3/4) ... [2019-10-22 08:57:40,028 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:40,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 08:57:40,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:57:40,074 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b81487be-cf18-454a-aaa7-40e628e42069/bin/uautomizer/witness.graphml [2019-10-22 08:57:40,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:40,076 INFO L168 Benchmark]: Toolchain (without parser) took 1098.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:40,076 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:40,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -210.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:40,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:40,078 INFO L168 Benchmark]: Boogie Preprocessor took 14.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:40,078 INFO L168 Benchmark]: RCFGBuilder took 175.52 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:40,078 INFO L168 Benchmark]: TraceAbstraction took 585.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:40,079 INFO L168 Benchmark]: Witness Printer took 49.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:40,082 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 241.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -210.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.52 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 585.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: q <= 2147483647 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: p <= 2147483647 && q <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 30 SDslu, 0 SDs, 0 SdLazy, 35 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 33 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...