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-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 13:15:23,179 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:15:23,181 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:15:23,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:15:23,196 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:15:23,197 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:15:23,198 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:15:23,200 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:15:23,201 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:15:23,202 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:15:23,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:15:23,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:15:23,204 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:15:23,205 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:15:23,207 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:15:23,208 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:15:23,208 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:15:23,210 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:15:23,212 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:15:23,214 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:15:23,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:15:23,216 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:15:23,219 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:15:23,219 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:15:23,219 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:15:23,220 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:15:23,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:15:23,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:15:23,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:15:23,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:15:23,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:15:23,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:15:23,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:15:23,225 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:15:23,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:15:23,227 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:15:23,227 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 13:15:23,245 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:15:23,245 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:15:23,246 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:15:23,246 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:15:23,247 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:15:23,247 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:15:23,247 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:15:23,247 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:15:23,247 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:15:23,248 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:15:23,248 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:15:23,248 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:15:23,248 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:15:23,248 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:15:23,249 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:15:23,249 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:15:23,249 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:15:23,249 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:15:23,249 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:15:23,250 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:15:23,250 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:15:23,250 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:15:23,250 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:15:23,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:15:23,251 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:15:23,251 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:15:23,251 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:15:23,251 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:15:23,251 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:15:23,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:15:23,252 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:15:23,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:15:23,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:15:23,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:15:23,327 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:15:23,327 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:15:23,328 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c [2018-11-23 13:15:23,405 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c236650/4adc8e556cd4456aae5dd4b96ab98946/FLAG3dc39e94b [2018-11-23 13:15:23,835 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:15:23,836 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c [2018-11-23 13:15:23,843 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c236650/4adc8e556cd4456aae5dd4b96ab98946/FLAG3dc39e94b [2018-11-23 13:15:24,203 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c236650/4adc8e556cd4456aae5dd4b96ab98946 [2018-11-23 13:15:24,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:15:24,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:15:24,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:15:24,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:15:24,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:15:24,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2541e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24, skipping insertion in model container [2018-11-23 13:15:24,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:15:24,259 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:15:24,502 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:15:24,509 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:15:24,534 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:15:24,550 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:15:24,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24 WrapperNode [2018-11-23 13:15:24,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:15:24,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:15:24,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:15:24,552 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:15:24,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:15:24,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:15:24,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:15:24,576 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:15:24,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (1/1) ... [2018-11-23 13:15:24,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:15:24,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:15:24,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:15:24,597 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:15:24,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (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 13:15:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:15:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:15:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:15:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:15:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:15:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:15:25,220 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:15:25,220 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 13:15:25,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:25 BoogieIcfgContainer [2018-11-23 13:15:25,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:15:25,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:15:25,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:15:25,226 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:15:25,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:15:24" (1/3) ... [2018-11-23 13:15:25,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34312efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:15:25, skipping insertion in model container [2018-11-23 13:15:25,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:24" (2/3) ... [2018-11-23 13:15:25,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34312efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:15:25, skipping insertion in model container [2018-11-23 13:15:25,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:25" (3/3) ... [2018-11-23 13:15:25,230 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+cfa-reducer.c [2018-11-23 13:15:25,239 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:15:25,246 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:15:25,262 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:15:25,296 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:15:25,297 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:15:25,297 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:15:25,297 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:15:25,298 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:15:25,298 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:15:25,298 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:15:25,298 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:15:25,298 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:15:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 13:15:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 13:15:25,324 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:15:25,326 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:15:25,328 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:15:25,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:15:25,335 INFO L82 PathProgramCache]: Analyzing trace with hash 964689295, now seen corresponding path program 1 times [2018-11-23 13:15:25,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:15:25,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:15:25,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:25,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:15:25,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:15:25,660 INFO L256 TraceCheckUtils]: 0: Hoare triple {22#true} call ULTIMATE.init(); {22#true} is VALID [2018-11-23 13:15:25,664 INFO L273 TraceCheckUtils]: 1: Hoare triple {22#true} ~__return_main~0 := 0;~__return_107~0 := 0; {22#true} is VALID [2018-11-23 13:15:25,665 INFO L273 TraceCheckUtils]: 2: Hoare triple {22#true} assume true; {22#true} is VALID [2018-11-23 13:15:25,665 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {22#true} {22#true} #41#return; {22#true} is VALID [2018-11-23 13:15:25,666 INFO L256 TraceCheckUtils]: 4: Hoare triple {22#true} call #t~ret2 := main(); {22#true} is VALID [2018-11-23 13:15:25,679 INFO L273 TraceCheckUtils]: 5: Hoare triple {22#true} havoc ~main__x~0;~main__y~0 := 1; {24#(and (<= (div main_~main__y~0 4294967296) 0) (<= 1 main_~main__y~0))} is VALID [2018-11-23 13:15:25,695 INFO L273 TraceCheckUtils]: 6: Hoare triple {24#(and (<= (div main_~main__y~0 4294967296) 0) (<= 1 main_~main__y~0))} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet0;havoc #t~nondet0; {24#(and (<= (div main_~main__y~0 4294967296) 0) (<= 1 main_~main__y~0))} is VALID [2018-11-23 13:15:25,698 INFO L273 TraceCheckUtils]: 7: Hoare triple {24#(and (<= (div main_~main__y~0 4294967296) 0) (<= 1 main_~main__y~0))} assume !!(0 == ~main____CPAchecker_TMP_0~0); {24#(and (<= (div main_~main__y~0 4294967296) 0) (<= 1 main_~main__y~0))} is VALID [2018-11-23 13:15:25,706 INFO L273 TraceCheckUtils]: 8: Hoare triple {24#(and (<= (div main_~main__y~0 4294967296) 0) (<= 1 main_~main__y~0))} assume 0 == ~main__y~0 % 4294967296;havoc ~__tmp_1~0;~__tmp_1~0 := (if 0 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {23#false} is VALID [2018-11-23 13:15:25,707 INFO L273 TraceCheckUtils]: 9: Hoare triple {23#false} assume 0 == ~__VERIFIER_assert__cond~0; {23#false} is VALID [2018-11-23 13:15:25,707 INFO L273 TraceCheckUtils]: 10: Hoare triple {23#false} assume !false; {23#false} is VALID [2018-11-23 13:15:25,710 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 13:15:25,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:15:25,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:15:25,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-23 13:15:25,723 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:15:25,727 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 13:15:25,797 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:15:25,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:15:25,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:15:25,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:15:25,809 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2018-11-23 13:15:26,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:26,218 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2018-11-23 13:15:26,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:15:26,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-23 13:15:26,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:15:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 13:15:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 44 transitions. [2018-11-23 13:15:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 13:15:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 44 transitions. [2018-11-23 13:15:26,237 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 44 transitions. [2018-11-23 13:15:26,387 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:15:26,398 INFO L225 Difference]: With dead ends: 34 [2018-11-23 13:15:26,399 INFO L226 Difference]: Without dead ends: 20 [2018-11-23 13:15:26,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:15:26,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-23 13:15:26,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2018-11-23 13:15:26,532 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:15:26,532 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 17 states. [2018-11-23 13:15:26,533 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 17 states. [2018-11-23 13:15:26,533 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 17 states. [2018-11-23 13:15:26,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:26,538 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions. [2018-11-23 13:15:26,538 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-11-23 13:15:26,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:15:26,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:15:26,539 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 20 states. [2018-11-23 13:15:26,539 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 20 states. [2018-11-23 13:15:26,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:26,543 INFO L93 Difference]: Finished difference Result 20 states and 26 transitions. [2018-11-23 13:15:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-11-23 13:15:26,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:15:26,544 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:15:26,544 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:15:26,545 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:15:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-23 13:15:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2018-11-23 13:15:26,548 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 11 [2018-11-23 13:15:26,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:15:26,549 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2018-11-23 13:15:26,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:15:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-11-23 13:15:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:15:26,550 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:15:26,550 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:15:26,551 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:15:26,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:15:26,551 INFO L82 PathProgramCache]: Analyzing trace with hash 2096975293, now seen corresponding path program 1 times [2018-11-23 13:15:26,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:15:26,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:15:26,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:26,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:15:26,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:15:27,145 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 12 [2018-11-23 13:15:27,182 INFO L256 TraceCheckUtils]: 0: Hoare triple {130#true} call ULTIMATE.init(); {130#true} is VALID [2018-11-23 13:15:27,183 INFO L273 TraceCheckUtils]: 1: Hoare triple {130#true} ~__return_main~0 := 0;~__return_107~0 := 0; {130#true} is VALID [2018-11-23 13:15:27,184 INFO L273 TraceCheckUtils]: 2: Hoare triple {130#true} assume true; {130#true} is VALID [2018-11-23 13:15:27,184 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {130#true} {130#true} #41#return; {130#true} is VALID [2018-11-23 13:15:27,185 INFO L256 TraceCheckUtils]: 4: Hoare triple {130#true} call #t~ret2 := main(); {130#true} is VALID [2018-11-23 13:15:27,185 INFO L273 TraceCheckUtils]: 5: Hoare triple {130#true} havoc ~main__x~0;~main__y~0 := 1; {130#true} is VALID [2018-11-23 13:15:27,185 INFO L273 TraceCheckUtils]: 6: Hoare triple {130#true} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet0;havoc #t~nondet0; {130#true} is VALID [2018-11-23 13:15:27,186 INFO L273 TraceCheckUtils]: 7: Hoare triple {130#true} assume !(0 == ~main____CPAchecker_TMP_0~0); {130#true} is VALID [2018-11-23 13:15:28,497 INFO L273 TraceCheckUtils]: 8: Hoare triple {130#true} assume 1 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296;~main__x~0 := 2 + ~main__x~0;~main__y~0 := 0; {132#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))))} is VALID [2018-11-23 13:15:28,498 INFO L273 TraceCheckUtils]: 9: Hoare triple {132#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))))} havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet0;havoc #t~nondet0; {132#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))))} is VALID [2018-11-23 13:15:28,499 INFO L273 TraceCheckUtils]: 10: Hoare triple {132#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))))} assume !!(0 == ~main____CPAchecker_TMP_0~0); {132#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))))} is VALID [2018-11-23 13:15:28,502 INFO L273 TraceCheckUtils]: 11: Hoare triple {132#(<= main_~main__x~0 (+ (* 4294967296 (div main_~main__x~0 4294967296)) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) (div main_~main__x~0 4294967296))) 3))))} assume 0 == ~main__y~0 % 4294967296;havoc ~__tmp_1~0;~__tmp_1~0 := (if 0 == (if ~main__x~0 % 4294967296 < 0 && 0 != ~main__x~0 % 4294967296 % 3 then ~main__x~0 % 4294967296 % 3 - 3 else ~main__x~0 % 4294967296 % 3) % 4294967296 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {133#(= main_~__VERIFIER_assert__cond~0 1)} is VALID [2018-11-23 13:15:28,503 INFO L273 TraceCheckUtils]: 12: Hoare triple {133#(= main_~__VERIFIER_assert__cond~0 1)} assume 0 == ~__VERIFIER_assert__cond~0; {131#false} is VALID [2018-11-23 13:15:28,504 INFO L273 TraceCheckUtils]: 13: Hoare triple {131#false} assume !false; {131#false} is VALID [2018-11-23 13:15:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:15:28,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:15:28,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:15:28,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-23 13:15:28,510 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 13:15:28,510 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 13:15:28,818 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:15:28,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:15:28,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:15:28,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:15:28,820 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 4 states. [2018-11-23 13:15:30,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:30,671 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2018-11-23 13:15:30,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:15:30,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-23 13:15:30,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:15:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 13:15:30,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2018-11-23 13:15:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 13:15:30,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2018-11-23 13:15:30,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 37 transitions. [2018-11-23 13:15:32,716 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 13:15:32,717 INFO L225 Difference]: With dead ends: 29 [2018-11-23 13:15:32,717 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:15:32,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:15:32,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:15:32,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:15:32,720 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 13:15:32,720 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:32,720 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:32,720 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:32,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:32,720 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:15:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:15:32,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:15:32,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:15:32,721 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:32,721 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 13:15:32,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:32,722 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 13:15:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:15:32,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:15:32,722 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 13:15:32,722 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 13:15:32,723 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 13:15:32,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:15:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:15:32,723 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-11-23 13:15:32,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:15:32,724 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:15:32,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:15:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:15:32,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:15:32,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:15:32,817 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:15:32,817 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:15:32,817 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:15:32,817 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:15:32,817 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:15:32,818 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:15:32,818 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:15:32,818 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 47) no Hoare annotation was computed. [2018-11-23 13:15:32,818 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 7 76) no Hoare annotation was computed. [2018-11-23 13:15:32,818 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 74) no Hoare annotation was computed. [2018-11-23 13:15:32,818 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 7 76) no Hoare annotation was computed. [2018-11-23 13:15:32,818 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 7 76) the Hoare annotation is: true [2018-11-23 13:15:32,818 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 13:15:32,819 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-23 13:15:32,819 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 61) no Hoare annotation was computed. [2018-11-23 13:15:32,819 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 48) no Hoare annotation was computed. [2018-11-23 13:15:32,819 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 75) no Hoare annotation was computed. [2018-11-23 13:15:32,819 INFO L444 ceAbstractionStarter]: At program point L45(lines 8 76) the Hoare annotation is: (or (and (<= (div main_~main__y~0 4294967296) 0) (<= 1 main_~main__y~0)) (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 4294967296 .cse0) (* 3 (div (+ main_~main__x~0 (* (- 4294967296) .cse0)) 3)))))) [2018-11-23 13:15:32,820 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 46) no Hoare annotation was computed. [2018-11-23 13:15:32,821 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 13:15:32,831 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 13:15:32,831 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:15:32,831 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 13:15:32,831 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 13:15:32,831 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 13:15:32,832 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 13:15:32,832 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 13:15:32,832 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-23 13:15:32,832 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2018-11-23 13:15:32,832 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2018-11-23 13:15:32,832 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2018-11-23 13:15:32,832 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2018-11-23 13:15:32,832 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2018-11-23 13:15:32,832 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2018-11-23 13:15:32,833 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2018-11-23 13:15:32,833 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 13:15:32,833 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2018-11-23 13:15:32,833 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2018-11-23 13:15:32,833 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2018-11-23 13:15:32,833 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2018-11-23 13:15:32,833 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 13:15:32,833 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 13:15:32,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:15:32 BoogieIcfgContainer [2018-11-23 13:15:32,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:15:32,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:15:32,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:15:32,846 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:15:32,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:25" (3/4) ... [2018-11-23 13:15:32,850 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:15:32,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:15:32,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:15:32,860 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 13:15:32,861 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:15:32,916 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-industry-pattern/mod3_true-unreach-call.c.v+cfa-reducer.c-witness.graphml [2018-11-23 13:15:32,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:15:32,918 INFO L168 Benchmark]: Toolchain (without parser) took 8705.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -664.0 MB). Peak memory consumption was 66.3 MB. Max. memory is 7.1 GB. [2018-11-23 13:15:32,919 INFO L168 Benchmark]: CDTParser took 0.22 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 13:15:32,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.31 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-11-23 13:15:32,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.00 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 13:15:32,920 INFO L168 Benchmark]: Boogie Preprocessor took 20.73 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 13:15:32,921 INFO L168 Benchmark]: RCFGBuilder took 624.88 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -783.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2018-11-23 13:15:32,922 INFO L168 Benchmark]: TraceAbstraction took 7622.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2018-11-23 13:15:32,922 INFO L168 Benchmark]: Witness Printer took 70.90 ms. Allocated memory is still 2.3 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 13:15:32,926 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 0.22 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 337.31 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 23.00 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 20.73 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 624.88 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 730.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -783.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7622.71 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Witness Printer took 70.90 ms. Allocated memory is still 2.3 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: 61]: 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: 8]: Loop Invariant Derived loop invariant: (main__y / 4294967296 <= 0 && 1 <= main__y) || main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + -4294967296 * (main__x / 4294967296)) / 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. SAFE Result, 7.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 9 SDslu, 40 SDs, 0 SdLazy, 21 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 7 NumberOfFragments, 33 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 1237 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...