java -ea -Xmx8000000000 -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 ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call2_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 13:08:25,172 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:08:25,174 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:08:25,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:08:25,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:08:25,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:08:25,188 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:08:25,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:08:25,191 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:08:25,192 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:08:25,193 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:08:25,193 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:08:25,194 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:08:25,195 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:08:25,196 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:08:25,197 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:08:25,198 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:08:25,200 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:08:25,202 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:08:25,203 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:08:25,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:08:25,206 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:08:25,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:08:25,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:08:25,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:08:25,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:08:25,211 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:08:25,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:08:25,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:08:25,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:08:25,214 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:08:25,215 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:08:25,215 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:08:25,215 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:08:25,216 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:08:25,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:08:25,218 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:08:25,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:08:25,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:08:25,247 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:08:25,247 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:08:25,247 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:08:25,248 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:08:25,248 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:08:25,248 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:08:25,248 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:08:25,248 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:08:25,249 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:08:25,250 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:08:25,250 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:08:25,250 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:08:25,250 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:08:25,250 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:08:25,252 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:08:25,252 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:08:25,252 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:08:25,252 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:08:25,253 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:08:25,253 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:08:25,253 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:08:25,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:08:25,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:08:25,254 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:08:25,254 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:08:25,254 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:08:25,254 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:08:25,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:08:25,255 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:08:25,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:08:25,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:08:25,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:08:25,340 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:08:25,340 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:08:25,341 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-11-23 13:08:25,402 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a41fd623/6ca7994fe3d24a40a421fabccfd51c4a/FLAGcd2c49d67 [2018-11-23 13:08:25,788 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:08:25,788 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-11-23 13:08:25,794 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a41fd623/6ca7994fe3d24a40a421fabccfd51c4a/FLAGcd2c49d67 [2018-11-23 13:08:26,173 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a41fd623/6ca7994fe3d24a40a421fabccfd51c4a [2018-11-23 13:08:26,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:08:26,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:08:26,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:08:26,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:08:26,188 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:08:26,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d809d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26, skipping insertion in model container [2018-11-23 13:08:26,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:08:26,225 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:08:26,458 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:08:26,464 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:08:26,482 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:08:26,499 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:08:26,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26 WrapperNode [2018-11-23 13:08:26,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:08:26,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:08:26,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:08:26,501 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:08:26,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:08:26,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:08:26,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:08:26,525 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:08:26,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (1/1) ... [2018-11-23 13:08:26,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:08:26,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:08:26,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:08:26,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:08:26,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (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 [2018-11-23 13:08:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:08:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:08:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:08:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:08:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:08:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:08:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 13:08:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 13:08:27,180 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:08:27,180 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 13:08:27,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:27 BoogieIcfgContainer [2018-11-23 13:08:27,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:08:27,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:08:27,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:08:27,185 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:08:27,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:08:26" (1/3) ... [2018-11-23 13:08:27,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dda91d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:27, skipping insertion in model container [2018-11-23 13:08:27,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:08:26" (2/3) ... [2018-11-23 13:08:27,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dda91d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:08:27, skipping insertion in model container [2018-11-23 13:08:27,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:27" (3/3) ... [2018-11-23 13:08:27,189 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call2_true-termination.i [2018-11-23 13:08:27,197 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:08:27,204 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:08:27,220 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:08:27,252 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:08:27,253 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:08:27,253 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:08:27,254 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:08:27,254 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:08:27,254 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:08:27,254 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:08:27,254 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:08:27,254 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:08:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-23 13:08:27,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 13:08:27,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:08:27,279 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:08:27,281 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:08:27,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:08:27,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2018-11-23 13:08:27,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:08:27,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:08:27,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:27,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:08:27,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:08:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:08:27,578 INFO L256 TraceCheckUtils]: 0: Hoare triple {20#true} call ULTIMATE.init(); {20#true} is VALID [2018-11-23 13:08:27,582 INFO L273 TraceCheckUtils]: 1: Hoare triple {20#true} assume true; {20#true} is VALID [2018-11-23 13:08:27,583 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {20#true} {20#true} #31#return; {20#true} is VALID [2018-11-23 13:08:27,583 INFO L256 TraceCheckUtils]: 3: Hoare triple {20#true} call #t~ret1 := main(); {20#true} is VALID [2018-11-23 13:08:27,584 INFO L273 TraceCheckUtils]: 4: Hoare triple {20#true} havoc ~x~0; {20#true} is VALID [2018-11-23 13:08:27,593 INFO L273 TraceCheckUtils]: 5: Hoare triple {20#true} assume !(~x~0 % 4294967296 < 268435455); {22#(< (+ (* 4294967296 (div main_~x~0 4294967296)) 268435454) main_~x~0)} is VALID [2018-11-23 13:08:27,611 INFO L256 TraceCheckUtils]: 6: Hoare triple {22#(< (+ (* 4294967296 (div main_~x~0 4294967296)) 268435454) main_~x~0)} call __VERIFIER_assert((if ~x~0 % 4294967296 >= 268435455 then 1 else 0)); {23#(= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2018-11-23 13:08:27,618 INFO L273 TraceCheckUtils]: 7: Hoare triple {23#(= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {24#(= 1 __VERIFIER_assert_~cond)} is VALID [2018-11-23 13:08:27,620 INFO L273 TraceCheckUtils]: 8: Hoare triple {24#(= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {21#false} is VALID [2018-11-23 13:08:27,620 INFO L273 TraceCheckUtils]: 9: Hoare triple {21#false} assume !false; {21#false} is VALID [2018-11-23 13:08:27,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:08:27,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:08:27,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:08:27,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 13:08:27,633 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:08:27,637 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 13:08:27,695 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:08:27,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:08:27,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:08:27,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:08:27,707 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-11-23 13:08:28,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:28,421 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2018-11-23 13:08:28,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 13:08:28,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 13:08:28,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:08:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 13:08:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2018-11-23 13:08:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 13:08:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2018-11-23 13:08:28,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 29 transitions. [2018-11-23 13:08:28,526 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:08:28,532 INFO L225 Difference]: With dead ends: 26 [2018-11-23 13:08:28,532 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:08:28,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:08:28,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:08:28,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:08:28,556 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:08:28,557 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:28,558 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:28,558 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:28,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:28,558 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:08:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:08:28,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:08:28,559 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:08:28,559 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:28,559 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:08:28,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:08:28,560 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:08:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:08:28,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:08:28,561 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:08:28,561 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:08:28,561 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:08:28,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:08:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:08:28,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 13:08:28,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:08:28,563 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:08:28,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:08:28,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:08:28,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:08:28,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:08:28,712 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 13:08:28,712 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:08:28,712 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:08:28,712 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:08:28,712 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:08:28,712 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:08:28,713 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 8 14) the Hoare annotation is: true [2018-11-23 13:08:28,713 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 8 14) no Hoare annotation was computed. [2018-11-23 13:08:28,713 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 8 14) no Hoare annotation was computed. [2018-11-23 13:08:28,713 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 12) the Hoare annotation is: true [2018-11-23 13:08:28,713 INFO L444 ceAbstractionStarter]: At program point L10-3(lines 10 12) the Hoare annotation is: (< (+ (* 4294967296 (div main_~x~0 4294967296)) 268435454) main_~x~0) [2018-11-23 13:08:28,713 INFO L448 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-11-23 13:08:28,714 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-11-23 13:08:28,714 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-11-23 13:08:28,714 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-11-23 13:08:28,714 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-11-23 13:08:28,714 INFO L448 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-11-23 13:08:28,716 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:08:28,716 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-23 13:08:28,716 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:08:28,717 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:08:28,720 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-23 13:08:28,720 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2018-11-23 13:08:28,720 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:08:28,720 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 13:08:28,720 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 13:08:28,720 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 13:08:28,721 WARN L170 areAnnotationChecker]: L3-2 has no Hoare annotation [2018-11-23 13:08:28,721 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 13:08:28,721 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 13:08:28,721 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 13:08:28,721 INFO L163 areAnnotationChecker]: CFG has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 13:08:28,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:08:28 BoogieIcfgContainer [2018-11-23 13:08:28,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:08:28,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:08:28,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:08:28,729 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:08:28,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:08:27" (3/4) ... [2018-11-23 13:08:28,733 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:08:28,741 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:08:28,741 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:08:28,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 13:08:28,747 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 13:08:28,747 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:08:28,748 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:08:28,795 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call2_true-termination.i-witness.graphml [2018-11-23 13:08:28,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:08:28,796 INFO L168 Benchmark]: Toolchain (without parser) took 2614.13 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 710.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -697.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-11-23 13:08:28,798 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:08:28,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-23 13:08:28,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:08:28,800 INFO L168 Benchmark]: Boogie Preprocessor took 24.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:08:28,801 INFO L168 Benchmark]: RCFGBuilder took 631.66 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 710.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -761.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-23 13:08:28,802 INFO L168 Benchmark]: TraceAbstraction took 1544.95 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. [2018-11-23 13:08:28,802 INFO L168 Benchmark]: Witness Printer took 67.95 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:08:28,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 631.66 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 710.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -761.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1544.95 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. * Witness Printer took 67.95 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 6 SDslu, 29 SDs, 0 SdLazy, 9 SolverSat, 0 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 9 NumberOfFragments, 15 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...