java -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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:39:16,210 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:39:16,213 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:39:16,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:39:16,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:39:16,227 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:39:16,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:39:16,230 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:39:16,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:39:16,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:39:16,234 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:39:16,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:39:16,235 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:39:16,236 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:39:16,237 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:39:16,238 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:39:16,239 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:39:16,241 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:39:16,243 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:39:16,245 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:39:16,246 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:39:16,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:39:16,250 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-19 15:39:16,257 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:39:16,257 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:39:16,258 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:39:16,259 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:39:16,260 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 15:39:16,289 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:39:16,289 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:39:16,290 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:39:16,291 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:39:16,292 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:39:16,292 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:39:16,292 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:39:16,293 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:39:16,293 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:39:16,293 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:39:16,293 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:39:16,293 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:39:16,295 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:39:16,295 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:39:16,295 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:39:16,295 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:39:16,295 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:39:16,296 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:39:16,296 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:39:16,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:39:16,296 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:39:16,296 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:39:16,298 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:39:16,298 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:39:16,298 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:39:16,298 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:39:16,298 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:39:16,299 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:39:16,299 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:39:16,299 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:39:16,299 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:39:16,299 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:39:16,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:39:16,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:39:16,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:39:16,374 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:39:16,374 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:39:16,375 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-09-19 15:39:16,776 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cc84b3b2/be6592d93311413f8cafb45043e1f43c/FLAG5b0a3e9f9 [2018-09-19 15:39:16,980 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:39:16,981 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1_true-unreach-call_true-termination.i [2018-09-19 15:39:16,990 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cc84b3b2/be6592d93311413f8cafb45043e1f43c/FLAG5b0a3e9f9 [2018-09-19 15:39:17,006 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cc84b3b2/be6592d93311413f8cafb45043e1f43c [2018-09-19 15:39:17,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:39:17,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:39:17,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:39:17,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:39:17,030 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:39:17,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:39:17" (1/1) ... [2018-09-19 15:39:17,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636915bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17, skipping insertion in model container [2018-09-19 15:39:17,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:39:17" (1/1) ... [2018-09-19 15:39:17,049 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:39:17,274 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:39:17,301 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:39:17,316 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:39:17,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17 WrapperNode [2018-09-19 15:39:17,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:39:17,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:39:17,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:39:17,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:39:17,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17" (1/1) ... [2018-09-19 15:39:17,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17" (1/1) ... [2018-09-19 15:39:17,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17" (1/1) ... [2018-09-19 15:39:17,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17" (1/1) ... [2018-09-19 15:39:17,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17" (1/1) ... [2018-09-19 15:39:17,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17" (1/1) ... [2018-09-19 15:39:17,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17" (1/1) ... [2018-09-19 15:39:17,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:39:17,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:39:17,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:39:17,396 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:39:17,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17" (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 [2018-09-19 15:39:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:39:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:39:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-09-19 15:39:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:39:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:39:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-09-19 15:39:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 15:39:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-19 15:39:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 15:39:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 15:39:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:39:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:39:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:39:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-19 15:39:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 15:39:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 15:39:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-19 15:39:17,843 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 15:39:18,049 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:39:18,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:39:18 BoogieIcfgContainer [2018-09-19 15:39:18,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:39:18,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:39:18,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:39:18,055 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:39:18,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:39:17" (1/3) ... [2018-09-19 15:39:18,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2348b1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:39:18, skipping insertion in model container [2018-09-19 15:39:18,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:39:17" (2/3) ... [2018-09-19 15:39:18,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2348b1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:39:18, skipping insertion in model container [2018-09-19 15:39:18,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:39:18" (3/3) ... [2018-09-19 15:39:18,059 INFO L112 eAbstractionObserver]: Analyzing ICFG float-zero-sum1_true-unreach-call_true-termination.i [2018-09-19 15:39:18,075 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:39:18,083 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:39:18,137 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:39:18,138 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:39:18,138 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:39:18,138 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:39:18,138 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:39:18,139 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:39:18,139 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:39:18,139 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:39:18,139 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:39:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-19 15:39:18,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-19 15:39:18,166 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:39:18,167 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:39:18,170 INFO L423 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:39:18,177 INFO L82 PathProgramCache]: Analyzing trace with hash -826202944, now seen corresponding path program 1 times [2018-09-19 15:39:18,182 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:39:18,183 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 15:39:18,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:39:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:39:18,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:39:18,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-09-19 15:39:18,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-09-19 15:39:18,447 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 15:39:18,457 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:39:18,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:39:18,478 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:33 [2018-09-19 15:39:18,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2018-09-19 15:39:18,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-09-19 15:39:18,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 15:39:18,538 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:39:18,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 15:39:18,544 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:21 [2018-09-19 15:39:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:39:18,607 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:39:18,629 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:39:18,630 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 15:39:18,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 15:39:18,647 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 15:39:18,648 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-19 15:39:18,651 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 6 states. [2018-09-19 15:39:19,114 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-19 15:39:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:39:19,286 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-09-19 15:39:19,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 15:39:19,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-09-19 15:39:19,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:39:19,298 INFO L225 Difference]: With dead ends: 33 [2018-09-19 15:39:19,299 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 15:39:19,303 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-19 15:39:19,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 15:39:19,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 15:39:19,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 15:39:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 15:39:19,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-09-19 15:39:19,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:39:19,357 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 15:39:19,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 15:39:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 15:39:19,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 15:39:19,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 15:39:19,456 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 15:39:19,457 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 15:39:19,457 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 15:39:19,457 INFO L426 ceAbstractionStarter]: For program point f00Err0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-09-19 15:39:19,457 INFO L429 ceAbstractionStarter]: At program point f00ENTRY(lines 99 106) the Hoare annotation is: true [2018-09-19 15:39:19,458 INFO L426 ceAbstractionStarter]: For program point f00EXIT(lines 99 106) no Hoare annotation was computed. [2018-09-19 15:39:19,458 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-19 15:39:19,458 INFO L426 ceAbstractionStarter]: For program point f00FINAL(lines 99 106) no Hoare annotation was computed. [2018-09-19 15:39:19,458 INFO L426 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-09-19 15:39:19,458 INFO L426 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-09-19 15:39:19,459 INFO L426 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-09-19 15:39:19,459 INFO L426 ceAbstractionStarter]: For program point L101-1(line 101) no Hoare annotation was computed. [2018-09-19 15:39:19,459 INFO L426 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2018-09-19 15:39:19,459 INFO L426 ceAbstractionStarter]: For program point L101-2(line 101) no Hoare annotation was computed. [2018-09-19 15:39:19,459 INFO L426 ceAbstractionStarter]: For program point L101-3(line 101) no Hoare annotation was computed. [2018-09-19 15:39:19,459 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 15:39:19,459 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 15:39:19,460 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 15:39:19,460 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 15:39:19,460 INFO L426 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-09-19 15:39:19,460 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 108 113) the Hoare annotation is: true [2018-09-19 15:39:19,460 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 108 113) no Hoare annotation was computed. [2018-09-19 15:39:19,461 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 108 113) no Hoare annotation was computed. [2018-09-19 15:39:19,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:39:19 BoogieIcfgContainer [2018-09-19 15:39:19,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:39:19,466 INFO L168 Benchmark]: Toolchain (without parser) took 2449.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -725.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2018-09-19 15:39:19,467 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-09-19 15:39:19,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.90 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. [2018-09-19 15:39:19,469 INFO L168 Benchmark]: Boogie Preprocessor took 45.86 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. [2018-09-19 15:39:19,469 INFO L168 Benchmark]: RCFGBuilder took 655.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -785.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2018-09-19 15:39:19,471 INFO L168 Benchmark]: TraceAbstraction took 1413.43 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2018-09-19 15:39:19,475 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 327.90 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 Preprocessor took 45.86 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 655.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -785.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1413.43 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 17 SDslu, 44 SDs, 0 SdLazy, 17 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 1166 SizeOfPredicates, 8 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 9 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...