./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/bitvector/gcd_3_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/bitvector/gcd_3_true-unreach-call_true-no-overflow.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 32bit --witnessprinter.graph.data.programhash 02e9294118e002d2445af62127a7232f85fd6228 ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:15:37,791 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:15:37,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:15:37,805 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:15:37,805 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:15:37,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:15:37,807 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:15:37,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:15:37,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:15:37,811 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:15:37,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:15:37,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:15:37,814 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:15:37,814 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:15:37,816 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:15:37,816 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:15:37,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:15:37,819 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:15:37,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:15:37,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:15:37,824 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:15:37,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:15:37,831 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:15:37,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:15:37,834 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:15:37,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:15:37,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:15:37,840 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:15:37,845 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:15:37,846 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:15:37,846 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:15:37,847 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:15:37,847 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:15:37,847 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:15:37,848 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:15:37,848 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:15:37,849 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-01-01 21:15:37,878 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:15:37,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:15:37,881 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:15:37,882 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:15:37,882 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:15:37,882 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:15:37,882 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 21:15:37,883 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:15:37,883 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:15:37,884 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 21:15:37,884 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:15:37,884 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 21:15:37,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 21:15:37,884 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 21:15:37,885 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 21:15:37,885 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 21:15:37,885 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:15:37,886 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:15:37,886 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 21:15:37,886 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:15:37,886 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:15:37,886 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 21:15:37,886 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 21:15:37,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 21:15:37,889 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:15:37,889 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 21:15:37,890 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 21:15:37,890 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:15:37,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 21:15:37,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 21:15:37,891 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02e9294118e002d2445af62127a7232f85fd6228 [2019-01-01 21:15:37,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:15:37,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:15:37,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:15:37,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:15:37,980 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:15:37,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/gcd_3_true-unreach-call_true-no-overflow.i [2019-01-01 21:15:38,034 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081f551ef/c99bd4a7c1dd4288b624a232b096f349/FLAG1ed1a67d9 [2019-01-01 21:15:38,515 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:15:38,516 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/gcd_3_true-unreach-call_true-no-overflow.i [2019-01-01 21:15:38,523 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081f551ef/c99bd4a7c1dd4288b624a232b096f349/FLAG1ed1a67d9 [2019-01-01 21:15:38,839 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081f551ef/c99bd4a7c1dd4288b624a232b096f349 [2019-01-01 21:15:38,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:15:38,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:15:38,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:15:38,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:15:38,848 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:15:38,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:15:38" (1/1) ... [2019-01-01 21:15:38,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f172c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:38, skipping insertion in model container [2019-01-01 21:15:38,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:15:38" (1/1) ... [2019-01-01 21:15:38,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:15:38,879 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:15:39,083 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:15:39,088 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:15:39,110 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:15:39,126 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:15:39,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39 WrapperNode [2019-01-01 21:15:39,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:15:39,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:15:39,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:15:39,128 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:15:39,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... [2019-01-01 21:15:39,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... [2019-01-01 21:15:39,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:15:39,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:15:39,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:15:39,169 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:15:39,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... [2019-01-01 21:15:39,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... [2019-01-01 21:15:39,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... [2019-01-01 21:15:39,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... [2019-01-01 21:15:39,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... [2019-01-01 21:15:39,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... [2019-01-01 21:15:39,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... [2019-01-01 21:15:39,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:15:39,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:15:39,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:15:39,200 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:15:39,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 21:15:39,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:15:39,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:15:39,610 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:15:39,611 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2019-01-01 21:15:39,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:15:39 BoogieIcfgContainer [2019-01-01 21:15:39,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:15:39,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 21:15:39,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 21:15:39,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 21:15:39,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 09:15:38" (1/3) ... [2019-01-01 21:15:39,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d790c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 09:15:39, skipping insertion in model container [2019-01-01 21:15:39,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:15:39" (2/3) ... [2019-01-01 21:15:39,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d790c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 09:15:39, skipping insertion in model container [2019-01-01 21:15:39,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:15:39" (3/3) ... [2019-01-01 21:15:39,623 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_3_true-unreach-call_true-no-overflow.i [2019-01-01 21:15:39,638 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 21:15:39,651 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-01-01 21:15:39,680 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-01-01 21:15:39,742 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:15:39,743 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 21:15:39,743 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 21:15:39,743 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 21:15:39,743 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:15:39,743 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:15:39,743 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 21:15:39,744 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:15:39,744 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 21:15:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-01-01 21:15:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-01 21:15:39,779 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 21:15:39,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-01 21:15:39,782 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 21:15:39,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:15:39,788 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-01-01 21:15:39,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:15:39,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:15:39,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:15:39,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:15:39,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:15:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:15:39,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:15:39,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 21:15:39,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-01 21:15:39,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 21:15:39,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 21:15:39,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 21:15:39,959 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-01-01 21:15:40,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 21:15:40,018 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2019-01-01 21:15:40,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 21:15:40,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-01-01 21:15:40,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 21:15:40,030 INFO L225 Difference]: With dead ends: 40 [2019-01-01 21:15:40,030 INFO L226 Difference]: Without dead ends: 10 [2019-01-01 21:15:40,033 INFO L631 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 [2019-01-01 21:15:40,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-01 21:15:40,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-01 21:15:40,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-01 21:15:40,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-01-01 21:15:40,063 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 3 [2019-01-01 21:15:40,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 21:15:40,063 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-01-01 21:15:40,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 21:15:40,064 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-01-01 21:15:40,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-01 21:15:40,065 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 21:15:40,065 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-01 21:15:40,065 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 21:15:40,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:15:40,066 INFO L82 PathProgramCache]: Analyzing trace with hash 957349, now seen corresponding path program 1 times [2019-01-01 21:15:40,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:15:40,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:15:40,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:15:40,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:15:40,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:15:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:15:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:15:40,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 21:15:40,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 21:15:40,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 21:15:40,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 21:15:40,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 21:15:40,097 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-01-01 21:15:40,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 21:15:40,122 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-01-01 21:15:40,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 21:15:40,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-01 21:15:40,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 21:15:40,124 INFO L225 Difference]: With dead ends: 10 [2019-01-01 21:15:40,124 INFO L226 Difference]: Without dead ends: 9 [2019-01-01 21:15:40,125 INFO L631 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 [2019-01-01 21:15:40,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-01 21:15:40,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-01 21:15:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-01 21:15:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-01 21:15:40,128 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 4 [2019-01-01 21:15:40,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 21:15:40,128 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-01 21:15:40,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 21:15:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-01 21:15:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-01 21:15:40,130 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 21:15:40,130 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-01 21:15:40,130 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 21:15:40,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:15:40,131 INFO L82 PathProgramCache]: Analyzing trace with hash 963371, now seen corresponding path program 1 times [2019-01-01 21:15:40,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:15:40,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:15:40,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:15:40,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:15:40,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:15:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:15:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:15:40,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 21:15:40,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-01-01 21:15:40,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 21:15:40,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 21:15:40,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 21:15:40,167 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2019-01-01 21:15:40,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 21:15:40,179 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-01-01 21:15:40,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 21:15:40,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-01 21:15:40,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 21:15:40,180 INFO L225 Difference]: With dead ends: 9 [2019-01-01 21:15:40,180 INFO L226 Difference]: Without dead ends: 8 [2019-01-01 21:15:40,181 INFO L631 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 [2019-01-01 21:15:40,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-01 21:15:40,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-01 21:15:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-01 21:15:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-01-01 21:15:40,183 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2019-01-01 21:15:40,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 21:15:40,183 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-01-01 21:15:40,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 21:15:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-01-01 21:15:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-01 21:15:40,184 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 21:15:40,184 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-01 21:15:40,185 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-01 21:15:40,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:15:40,185 INFO L82 PathProgramCache]: Analyzing trace with hash 29864549, now seen corresponding path program 1 times [2019-01-01 21:15:40,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:15:40,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:15:40,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:15:40,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:15:40,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:15:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:15:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:15:40,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 21:15:40,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 21:15:40,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 21:15:40,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 21:15:40,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 21:15:40,219 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 3 states. [2019-01-01 21:15:40,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 21:15:40,233 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-01-01 21:15:40,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 21:15:40,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-01-01 21:15:40,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 21:15:40,234 INFO L225 Difference]: With dead ends: 8 [2019-01-01 21:15:40,235 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 21:15:40,235 INFO L631 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 [2019-01-01 21:15:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 21:15:40,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 21:15:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 21:15:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 21:15:40,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-01-01 21:15:40,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 21:15:40,236 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:15:40,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 21:15:40,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:15:40,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 21:15:40,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-01 21:15:40,271 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2019-01-01 21:15:40,272 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-01-01 21:15:40,272 INFO L448 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-01-01 21:15:40,272 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-01 21:15:40,272 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-01 21:15:40,273 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2019-01-01 21:15:40,273 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-01 21:15:40,273 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 11 23) no Hoare annotation was computed. [2019-01-01 21:15:40,273 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 17 21) no Hoare annotation was computed. [2019-01-01 21:15:40,274 INFO L451 ceAbstractionStarter]: At program point L38(lines 26 39) the Hoare annotation is: true [2019-01-01 21:15:40,274 INFO L448 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-01-01 21:15:40,274 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-01-01 21:15:40,274 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2019-01-01 21:15:40,275 INFO L451 ceAbstractionStarter]: At program point L34-1(lines 34 36) the Hoare annotation is: true [2019-01-01 21:15:40,275 INFO L451 ceAbstractionStarter]: At program point L22(lines 10 23) the Hoare annotation is: true [2019-01-01 21:15:40,275 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2019-01-01 21:15:40,275 INFO L448 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2019-01-01 21:15:40,275 INFO L448 ceAbstractionStarter]: For program point L14-2(line 14) no Hoare annotation was computed. [2019-01-01 21:15:40,275 INFO L448 ceAbstractionStarter]: For program point L14-4(lines 11 23) no Hoare annotation was computed. [2019-01-01 21:15:40,275 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2019-01-01 21:15:40,276 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-01-01 21:15:40,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 09:15:40 BoogieIcfgContainer [2019-01-01 21:15:40,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 21:15:40,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:15:40,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:15:40,286 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:15:40,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:15:39" (3/4) ... [2019-01-01 21:15:40,292 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 21:15:40,305 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-01 21:15:40,306 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-01 21:15:40,358 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 21:15:40,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:15:40,359 INFO L168 Benchmark]: Toolchain (without parser) took 1516.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -122.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-01-01 21:15:40,361 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:15:40,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.09 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 939.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:15:40,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.73 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:15:40,362 INFO L168 Benchmark]: Boogie Preprocessor took 31.06 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:15:40,363 INFO L168 Benchmark]: RCFGBuilder took 411.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-01-01 21:15:40,364 INFO L168 Benchmark]: TraceAbstraction took 672.75 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2019-01-01 21:15:40,364 INFO L168 Benchmark]: Witness Printer took 72.46 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:15:40,369 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.09 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 939.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.73 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.06 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 411.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 672.75 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Witness Printer took 72.46 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. SAFE Result, 0.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 34 SDtfs, 24 SDslu, 17 SDs, 0 SdLazy, 19 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=21occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 9 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...